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Multi-sideband interference structures by high-order photon-induced continuum-continuum transitions in helium

D. Bharti, H. Srinivas, F. Shobeiry, A. T. Bondy, S. Saha, K. R. Hamilton, R. Moshammer, T. Pfeifer, K. Bartschat, and A. Harth
Physical Review A 109, 023110 (2024)

Sub-50 fs temporal resolution in an FEL-optical laser pump-probe experiment at FLASH2

Atia-tul-noor, S. Kumar, N. Schirmel, B. Erk, B. Manschwetus, S. Alisaukas, M. Braune, G. Cirmi, M. K. Czwalinna, U. Frühling, U. Grosse-Wortmann, N. Kschuev, F. Kuschewski, T. Lang, H. Lindenblatt, I. Litvinyuk, S. Meister, R. Moshammer, C. C. Papadopoulou, C. Passow, J. Roensch-Schulenburg, F. Trost, I. Hartl, S. Düsterer, and S. Schulz
Optics Express 32, 6597-6608 (2024)

Tracing Photoinduced Hydrogen Migration in Alcohol Dications from Time-Resolved Molecular-Frame Photoelectron Angular Distributions

T. Kuraoka, S. Goto, M. Kanno, S. Díaz-Tendero, J. Reino-González, F. Trinter, A. Pier, L. Sommerlad, N. Melzer, O. D. McGinnis, J. Kruse, T. Wenzel, T. Jahnke, H. Xue, N. Kishimoto, K. Yoshikawa, Y. Tamura, F. Ota, K. Hatada, K. Ueda, and F. Martín
The Journal of Physical Chemistry A 128, 1241-1249 (2024)

Revealing the Role of N Heteroatoms in Noncovalent Aromatic Interactions by Ultrafast Intermolecular Coulombic Decay

J. Zhou, S. Jia, X. Xue, A. D. Skitnevskaya, E. Wang, X. Wang, X. Hao, Q. Zeng, A. I. Kuleff, A. Dorn, and X. Ren
The Journal of Physical Chemistry Letters 15, 1529-1538 (2024)

Observing dynamical phases of BCS superconductors in a cavity QED simulator

D. J. Young, A. Chu, E. Y. Song, D. Barberena, D. Wellnitz, Z. Niu, V. M. Schäfer, R. J. Lewis-Swan, A. M. Rey, and J. K. Thompson
Nature 625, 679-684 (2024)

Unveiling Low THz Dynamics of Liquid Crystals: Identification of Intermolecular Interaction among Intramolecular Modes

P. Friebel, D. R. Galimberti, M. Savoini, and L. Cattaneo
The Journal of Physical Chemistry B 128, 596-602 (2024)

Ideal two-color field ratio for holographic angular streaking of electrons

D. Trabert, A. Geyer, N. Anders, M. Hofmann, M. S. Schöffler, L. P.. H. Schmidt, T. Jahnke, M. Kunitski, R. Dörner, and S. Eckart
Physical Review Research 5, 043245 (2023)

Flexible experimental platform for dispersion-free temporal characterization of ultrashort pulses

P. Rupprecht, A. Magunia, L. Aufleger, C. Ott, and T. Pfeifer
Optics Express 31, 39821-39831 (2023)

BASE-STEP: A transportable antiproton reservoir for fundamental interaction studies

C. Smorra, F. Abbass, D. Schweitzer, M. Bohman, J. D. Devine, Y. Dutheil, A. Hobl, B. Arndt, B. B. Bauer, J. A. Devlin, S. Erlewein, M. Fleck, J. I. Jäger, B. M. Latacz, P. Micke, M. Schiffelholz, G. Umbrazunas, M. Wiesinger, C. Will, E. Wursten, H. Yildiz, K. Blaum, Y. Matsuda, A. Mooser, C. Ospelkaus, W. Quint, A. Soter, J. Walz, Y. Yamazaki, and S. Ulmer
Review of Scientific Instruments 94, 113201 (2023)

Ultrafast molecular dissociation induced by intermolecular Coulombic decay in water clusters

X. Ren, E. Wang, J. Zhou, S. Jia, X. Wang, X. Xue, and A. Dorn
Physical Review A 108, 052814 (2023)

Ultra-thin polymer foil cryogenic window for antiproton deceleration and storage

B. M. Latacz, B. P. Arndt, J. A. Devlin, S. R. Erlewein, M. Fleck, J. I. Jäger, P. Micke, G. Umbrazunas, E. Wursten, F. Abbass, D. Schweitzer, M. Wiesinger, C. Will, H. Yildiz, K. Blaum, Y. Matsuda, A. Mooser, C. Ospelkaus, C. Smorra, A. Sótér, W. Quint, J. Walz, Y. Yamazaki, and S. Ulmer
Review of Scientific Instruments 94, 103310 (2023)

Narrow and Ultranarrow Transitions in Highly Charged Xe Ions as Probes of Fifth Forces

N. Rehbehn, M. K. Rosner, J. C. Berengut, P. O. Schmidt, T. Pfeifer, M. F. Gu, and J. R. Crespo López-Urrutia
Physical Review Letters 131, 161803 (2023)

Stringent test of QED with hydrogen-like tin

J. Morgner, B. Tu, C. M. König., T. Sailer, F. Heiße, H. Bekker, B. Sikora, C. Lyu, V. A. Yerokhin, Z. Harman, J. R. Crespo López-Urrutia, C. H. Keitel, S. Sturm, and K. Blaum
Nature 622, 53-57 (2023)
 MPIK press release: Precise testing of quantum electrodynamics
 MPIK-Pressemitteilung: Quantenelektrodynamik auf dem Prüfstand
 MPG press release: When the laws of physics are at stake - Quantum electrodynamics put to the test
 MPG-Presssemitteilung: Wenn Gesetze der Physik auf dem Spiel stehen - Quantenelektrodynamik auf dem Prüfstand
 Nature research briefings: Testing the limits of the standard model of particle physics with a heavy, highly charged ion
 phys.org: A precise test of quantum electrodynamics: Measuring the g factor of electrons in hydrogen-like tin

Resolving vibrations in a polyatomic molecule with femtometer precision via x-ray spectroscopy

P. Rupprecht, L. Aufleger, S. Heinze, A. Magunia, T. Ding, M. Rebholz, S. Amberg, N. Mollov, F. Henrich, M. W. Haverkort, C. Ott, and T. Pfeifer
Physical Review A 108, 032816 (2023)

Influence of nuclear dynamics on molecular attosecond photoelectron interferometry

D. Ertel, D. Busto, I. Makos, M. Schmoll, J. Benda, H. Ahmadi, M. Moioli, F. Frassetto, L. Poletto, C. D. Schröter, T. Pfeifer, R. Moshammer, Z. Mašín, S. Patchkovskii, and G. Sansone
Science Advances 9, eadh7747 (2023)

Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding

E. A. Dijck, C. Warnecke, M. Wehrheim, R. B. Henninger, J. Eff, K. Georgiou, A. Graf, S. Kokh, L. P. Kozhiparambil Sajith, C. Mayo, V. M. Schäfer, C. Volk, P. O. Schmidt, T. Pfeifer, and J. R. Crespo López-Urrutia
Review of Scientific Instruments 94, 083203 (2023)

Velocity map imaging with no spherical aberrations

Y. Ben-Shabo, A. Kurbanov, C. D. Schröter, R. Moshammer, H. Kreckel, and Y. Toker
Physical Chemistry Chemical Physics 25, 25122, 25122-25129 (2023)

Electron Scattering from 1-Methyl-5-Nitroimidazole: Cross-Sections for Modeling Electron Transport through Potential Radiosensitizers

A. I. Lozano, L. Alvarez, A. Garcia-Abenza, C. Guerra, F. Kossoski, J. Rosado, F. Blanco, J. C. Oller, M. Hasan, M. Centurion, T. Weber, D. S. Slaughter, D. M. Mootheril, A. Dorn, S. Kumar, P. Limao-Vieira, R. Colmenares, and G. Garcia
International Journal of Molecular Sciences 24, 12182 (2023)

Direct tracking of ultrafast proton transfer in water dimers

K. Schnorr, M. Belina, S. Augustin, H. Lindenblatt, Y. Liu, S. Meister, T. Pfeifer, G. Schmid, R. Treusch, F. Trost, P. Slavilek, and R. Moshammer
Science Advances 9, eadg7864 (2023)

Ultrastable, high-repetition-rate attosecond beamline for time-resolved XUV–IR coincidence spectroscopy

D. Ertel, M. Schmoll, S. Kellerer, A. Jaeger, R. Weissenbilder, M. Moioli, H. Ahmadi, D. Busto, I. Makos, F. Frassetto, L. Poletto, C. D. Schröter, T. Pfeifer, R. Moshammer, and G. Sansone
Review of Scientific Instruments 94, 073001 (2023)

Intermolecular Charge Transfer Induced Fragmentation of Formic Acid Dimers

J. Zhou, S. Jia, X. Hu, E. Wang, X. Xue, Y. Wu, J. Wang, A. Dorn, and X. Ren
Physical Review Letters 130, 233001 (2023)

D3+ formation through photoionization of the molecular D2-D2 dimer

Y. Mi, E. Wang, Z. Dube, T. Wang, A. Y. Naumov, D. M. Villeneuve, P. B. Corkum, and A. Staudte
Nature Chemistry 15, 1224-1228 (2023)

TRAX-CHEMxt: Towards the Homogeneous Chemical Stage of Radiation Damage

G. Camazzola, D. Boscolo, E. Scifoni, A. Dorn, M. Durante, M. Kraemer, V. Abram, and M. C. Fuss
International Journal of Molecular Sciences 24, 9398 (2023)

Attosecond Real-Time Observation of Recolliding Electron Trajectories in Helium at Low Laser Intensities

T. V. Heldt, J. Dubois, P. Birk, G. D. Borisova, G. M. Lando, C. Ott, and T. Pfeifer
Physical Review Letters 130, 183201 (2023)

Ultrafast Roaming Mechanisms in Ethanol Probed by Intense Extreme Ultraviolet Free-Electron Laser Radiation: Electron Transfer versus Proton Transfer

E. Wang, N. G. Kling, A. C. LaForge, R. Obaid, S. Pathak, S. Bhattacharyya, S. Meister, F. Trost, H. Lindenblatt, P. Schoch, M. Kubel, T. Pfeifer, A. Rudenko, S. Diaz-Tendero, F. Martin, R. Moshammer, D. Rolles, and N. Berrah
The Journal of Physical Chemistry Letters 14, 4372-4380 (2023)

Cold-target electron-ion-coincidence momentum-spectroscopy study of electron-impact single and double ionization of N2 and O2 molecules

S. Jia, J. Zhou, X. Wang, X. Xue, X. Hao, Q. Zeng, Y. Zhao, Z. Xu, A. Dorn, and X. Ren
Physical Review A 107, 032819 (2023)

Multisideband interference structures observed via high-order photon-induced continuum-continuum transitions in argon

D. Bharti, H. Srinivas, F. Shobeiry, K. R. Hamilton, R. Moshammer, T. Pfeifer, K. Bartschat, and A. Harth
Physical Review A 107, 022801 (2023)

An effective method to calculate the electron impact excitation cross sections of helium from ground state to a final channel in the whole energy region

R. Sun, D. Zeng, R. Jin, X. Han, X. Gao, and J. Li
Chinese Physics B 32, 113401 (2023)

Resonant Perfect Absorption Yielded by Zero-Area Pulses

Y. He, Z. Liu, C. Ott, A. N. Pfeiffer, S. Sun, M. B. Gaarde, T. Pfeifer, and B. Hu
Physical Review Letters 129, 273201 (2022)

New Measurement Resolves Key Astrophysical Fe XVII Oscillator Strength Problem

S. Kühn, C. Cheung, N. S. Oreshkina, R. Steinbrügge, M. Togawa, S. Bernitt, L. Berger, J. Buck, M. Hoesch, J. Seltmann, F. Trinter, C. H. Keitel, M. G. Kozlov, S. G. Porsev, M. F. Gu, F. S. Porter, T. Pfeifer, M. A. Leutenegger, Z. Harman, M. S. Safronova, J. R. Crespo López-Urrutia, and C. Shah
Physical Review Letters 129, 245001 (2022)
 Phys. Rev. Lett.: Editors' Suggestion - Open Access
 APS Physics Viewpoint: Getting a Clearer View of Iron Emission Lines
 idw press release: X-ray analysis without doubt - Four-decade enigma of cosmic X-rays solved
 Focus Online: Rätsel im Röntgenspektrum gelöst
 pro-physik.de: Kosmisches Röntgen-Rätsel gelöst
 MPG-Pressemitteilung: Röntgenanalyse ohne Zweifel
 MPIK press release: X-ray analysis without doubt
 MPIK-Pressemitteilung: Röntgenanalyse ohne Zweifel
 Physics Today: Experiment resolves long-standing iron-spectrum discrepancy

X-Ray Photoabsorption of Density-sensitive Metastable States in Ne vii, Fe xxii, and Fe xxiii

R. Steinbrügge, S. Kühn, F. Nicastro, M. F. Gu, M. Togawa, M. Hoesch, J. Seltmann, I. Sergeev, F. Trinter, S. Bernitt, C. Shah, M. A. Leutenegger, and J. R. Crespo López-Urrutia
The Astrophysical Journal 941, 188 (2022)

Core-resonance line-shape analysis of atoms undergoing strong-field ionization

M. Hartmann, L Hutcheson, G. D. Borisova, P. Birk, S Hu, A C Brown, H W van der Hart, C. Ott, and T. Pfeifer
Journal of Physics B: Atomic, Molecular and Optical Physics 55, 245601 (2022)

An optical atomic clock based on a highly charged ion

S. A. King, L. J. Spieß, P. Micke, A. Wilzewski, T. Leopold, E. Benkle, R. Lange, N. Huntemann, A. Surzhykov, V. A. Yerokhin, J. R. Crespo López-Urrutia, and P. O. Schmidt
Nature 611, 43-47 (2022)

Imaging the Photodissociation Dynamics and Fragment Alignment of CH2BrI at 193 nm

P. Recio, J. Cachon, L. Rubio-Lago, D. Chicharro Vacas, A. Zanchet, P. Limao-Vieira, N. de Oliveira, P. C. Samartzis, S. Marggi Poullain, and L. Banares
The Journal of Physical Chemistry A 126, 8404-8422 (2022)

Differential Measurement of Electron Ejection after Two-Photon Two-Electron Excitation of Helium

M. Straub, T. Ding, M. Rebholz, G. D. Borisova, A. Magunia, H. C. Lindenblatt, S. Meister, F. Trost, Y. Wang, S. Palutke, M. Braune, S. Düsterer, R. Treusch, C. H. Greene, R. Moshammer, T. Pfeifer, and C. Ott
Physical Review Letters 129, 183204 (2022)

Triple-differential cross sections in three-dimensional kinematics for electron-impact-ionization dynamics of tetrahydrofuran at 250-eV projectile energy

X. Xue, D. M. Mootheril, E. Ali, M. Gong, S. Jia, J. Zhou, E. Wang, J. Li, X. Chen, D. Madison, A. Dorn, and X. Ren
Physical Review A 106, 042803 (2022)

Reply to: On yoctosecond science

K. P. Heeg, L. Bocklage, C. Strohm, C. Ott, D. Lentrodt, J. Haber, H. Wille, R. Rüffer, J. Gollwitzer, C. F. Adolff, K. Schlage, I. Sergeev, O. Leupold, G. Meier, C. H. Keitel, R. Röhlsberger, T. Pfeifer, and J. Evers
Nature 608, E18-E19 (2022)

X-ray spectra of the Fe-L complex III. Systematic uncertainties in atomic data

L. Gu, C. Shah, J. Mao, A. J. J. Raassen, J. de Plaa, C. Pinto, H. Akamatsu, N. Werner, A. Simionescu, F. Mernier, M. Sawada, P. Mohanty, P. Amaro, M. F. Gu, F. S. Porter, J. R. C. Lopez-Urrutia, and J. S. Kaastra
Astronomy and Astrophysics 664, A62 (2022)

Ultrathin picoscale white light interferometer

S. Dahiya, A. Tyagi, A. Mandal, T. Pfeifer, and K. P. Singh
Scientific Reports 12, 8656 (2022)

Attosecond stable dispersion-free delay line for easy ultrafast metrology

A. Tyagi, M. S. Sidhu, A. Mandal, S. Kapoor, S. Dahiya, J. M. Rost, T. Pfeifer, and K. P. Singh
Scientific Reports 12, 8525 (2022)

Measuring the stability of fundamental constants with a network of clocks

G. Barontini, L. Blackburn, V. Boyer, F. Butuc-Mayer, X. Calmet, J. R. Crespo Lopez-Urrutia, E. A. Curtis, B. Darquie, J. Dunningham, N. J. Fitch, E. M. Forgan, K. Georgiou, P. Gill, R. M. Godun, J. Goldwin, V. Guarrera, A. C. Harwood, I. R. Hill, R. J. Hendricks, M. Jeong, M. Y. H. Johnson, M. Keller, L. P. Kozhiparambil Sajith, F. Kuipers, H. S. Margolis, C. Mayo, P. Newman, A. O. Parsons, L. Prokhorov, B. I. Robertson, J. Rodewald, M. S. Safronova, B. E. Sauer, M. Schioppo, N. Sherrill, Y. V. Stadnik, K. Szymaniec, M. R. Tarbutt, R. C. Thompson, A. Tofful, J. Tunesi, A. Vecchio, Y. Wang, and S. Worm
EPJ Quantum Technology 9, 12 (2022)

Concerted Double Hydrogen-Bond Breaking by Intermolecular Coulombic Decay in the Formic Acid Dimer

J. Zhou, S. Jia, A. D. Skitnevskaya, E. Wang, T. Haehnel, E. K. Grigoricheva, X. Xue, J. Li, A. Kuleff I, A. Dorn, and X. Ren
The Journal of Physical Chemistry Letters 13, 4272-4279 (2022)

Resonance-enhanced x-ray multiple ionization of a polyatomic molecule

X. Li, A. Rudenko, T. Mazza, A. Roerig, N. Anders, T.. M. Baumann, S. Eckart, B. Erk, A. De Fanis, K. Fehre, R. Doerner, L. Foucar, S. Grundmann, P. Grychtol, A. Hartung, M. Hofmann, M. Ilchen, C.. Janke, G. Kastirke, M. Kircher, K. Kubicek, M. Kunitski, S. Meister, N. Melzer, J. Montano, V. Music, G. Nalin, Y. Ovcharenko, C.. Passow, A. Pier, N. Rennhack, J. Rist, D. E. Rivas, I. Schlichting, L. P.. H. Schmidt, P.. Schmidt, M. S. Schoeffler, J. Siebert, N. Strenger, D. Trabert, F. Trinter, I Vela-Perez, R. Wagner, P. Walter, M. Weller, P. Ziolkowski, A. Czasch, M. Meyer, T. Jahnke, D. Rolles, and R. Boll
Physical Review A 105, 053102 (2022)

Direct manipulation of atomic excitation with intense extreme-ultraviolet laser fields

Y. He, H. Shi, N. Xue, A. Magunia, S. Sun, J. Ding, B. Hu, and Z. Liu
Physical Review A 105, 043113 (2022)

Diffusion pore imaging in the presence of extraporal water

D. Ludwig, F. B. Laun, K. D. Klika, J. Rauch, M. E. Ladd, P. Bachert, and T. A. Kuder
Journal of Magnetic Resonance 339, 107219 (2022)

Laser Control of Electronic Exchange Interaction within a Molecule

P. Rupprecht, L. Aufleger, S. Heinze, A. Magunia, T. Ding, M. Rebholz, S. Amberg, N. Mollov, F. Henrich, M. W. Haverkort, C. Ott, and T. Pfeifer
Physical Review Letters 128, 153001 (2022)

High-repetition rate attosecond beamline for multi-particle coincidence experiments

H. Srinivas, F. Shobeiry, D. Bharti, T. Pfeifer, R. Moshammer, and A. Harth
Optics Express 30, 13630-13646 (2022)

Attosecond photoionisation time delays reveal the anisotropy of the molecular potential in the recoil frame

H. Ahmadi, E. Plesiat, M. Moioli, F. Frassetto, L. Poletto, P. Decleva, C. D. Schroter, T. Pfeifer, R. Moshammer, A. Palacios, F. Martin, and G. Sansone
Nature Communications 13, 1242 (2022)

A new benchmark of soft X-ray transition energies of Ne, CO2, and SF6: paving a pathway towards ppm accuracy

J. Stierhof, S. Kühn, M. Winter, P. Micke, R. Steinbrügge, C. Shah, N. Hell, M. Bissinger, M. Hirsch, R. Ballhausen, M. Lang, C. Gräfe, S. Wipf, R. Cumbee, G. L. Betancourt-Martinez, S. Park, J. Niskanen, M. Chung, F. S. Porter, T. Stöhlker, T. Pfeifer, G. V. Brown, S. Bernitt, P. Hansmann, J. Wilms, J. R. Crespo López-Urrutia, and M. A. Leutenegger
The European Physical Journal D: Atomic, Molecular and Optical Physics 76, 38 (2022)

X-ray multiphoton-induced Coulomb explosion images complex single molecules

R. Boll, J. M. Schaefer, B. Richard, K. Fehre, G. Kastirke, Z. Jurek, M. S. Schoeffler, M. M. Abdullah, N. Anders, T. M. Baumann, S. Eckart, B. Erk, A. De Fanis, R. Doerner, S. Grundmann, P. Grychtol, A. Hartung, M. Hofmann, M. Ilchen, L. Inhester, C. Janke, R. Jin, M. Kircher, K. Kubicek, M. Kunitski, X. Li, T. Mazza, S. Meister, N. Melzer, J. Montano, V. Music, G. Nalin, Y. Ovcharenko, C. Passow, A. Pier, N. Rennhack, J. Rist, D. E. Rivas, D. Rolles, I. Schlichting, L. P. H. Schmidt, P. Schmidt, J. Siebert, N. Strenger, D. Trabert, F. Trinter, I. Vela-Perez, R. Wagner, P. Walter, M. Weller, P. Ziolkowski, ... and T. Jahnke
Nature Physics 18, 423-428 (2022)

Expanding Nuclear Physics Horizons with the Gamma Factory

D. Budker, J. C. Berengut, V. V. Flambaum, M. Gorchtein, J. Jin, F. Karbstein, M. W. Krasny, Y. A. Litvinov, A. Pálffy, V. Pascalutsa, A. Petrenko, A. Surzhykov, P. G. Thirolf, M. Vanderhaeghen, H. A. Weidenmüller, and V. Zelevinsky
Annalen der Physik 534, 2100284 (2022)

Sizes of pure and doped helium droplets from single shot x-ray imaging

R. M. P. Tanyag, C. Bacellar, W. Pang, C. Bernando, L. F. Gomez, C. F. Jones, K. R. Ferguson, J. Kwok, D. Anielski, A. Belkacem, R. Boll, J. Bozek, S. Carron, G. Chen, T. Delmas, L. Englert, S. Epp, B. Erk, L. Foucar, R. Hartmann, A. Hexemer, M. Huth, S. R. Leone, J. H. Ma, S. Marchesini, D. M. Neumark, B. K. Poon, J. Prell, D. Rolles, B. Rudek, A. Rudenko, M. Seifrid, M. Swiggers, J. Ullrich, F. Weise, P. Zwart, C. Bostedt, O. Gessner, and A. F. Vilesov
The Journal of Chemical Physics 156, 041102 (2022)

Line-shape broadening of an autoionizing state in helium at high XUV intensity

L. Aufleger, P. Friebel, P. Rupprecht, A. Magunia, T. Ding, M. Rebholz, M. Hartmann, C. Ott, and T. Pfeifer
New Journal of Physics 24, 013014 (2022)

Uncertainties in Atomic Data for Modeling Astrophysical Charge Exchange Plasmas

L. Gu, C. Shah, and R. Zhang
Sensors 22, 752 (2022)

Coulomb explosion imaging of small polyatomic molecules with ultrashort x-ray pulses

X. Li, A. Rudenko, M. S. Schoeffler, N. Anders, T. M. Baumann, S. Eckart, B. Erk, A. De Fanis, K. Fehre, R. Doerner, L. Foucar, S. Grundmann, P. Grychtol, A. Hartung, M. Hofmann, M. Ilchen, C. Janke, G. Kastirke, M. Kircher, K. Kubicek, M. Kunitski, T. Mazza, S. Meister, N. Melzer, J. Montano, V Music, G. Nalin, Y. Ovcharenko, C. Passow, A. Pier, N. Rennhack, J. Rist, D. E. Rivas, I Schlichting, L. P. H. Schmidt, P. Schmidt, J. Siebert, N. Strenger, D. Trabert, F. Trinter, I Vela-Perez, R. Wagner, P. Walter, M. Weller, P. Ziolkowski, A. Czasch, D. Rolles, M. Meyer, T. Jahnke, and R. Boll
Physical Review Research 4, 013029 (2022)

Laserlicht steuert Elektronen-Wechselwirkung

P. Rupprecht, C. Ott, T. Pfeifer, and M. W. Haverkort
Physik in unserer Zeit 53, 164-165 (2022)

Highly Charged Ions for High-Resolution Soft X-ray Grating Monochromator Optimisation

M. Hoesch, J. Seltmann, F. Trinter, S. Kühn, M. Togawa, R. Steinbrügge, S. Bernitt, and J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 2380, 012086 (2022)

Ultrafast energy transfer between π-stacked aromatic rings upon inner-valence ionization

X. Ren, J. Zhou, E. Wang, T. Yang, Z. Xu, N. Sisourat, T. Pfeifer, and A. Dorn
Nature Chemistry 14, 232-238 (2021)

Algorithmic Ground-state Cooling of Weakly-Coupled Oscillators using Quantum Logic

S. A. King, L. J. Spieß, P. Micke, A. Wilzewski, T. Leopold, J. R. Crespo López-Urrutia, and P. O. Schmidt
Physical Review X 11, 041049 (2021)

Inner-Shell-Ionization-Induced Femtosecond Structural Dynamics of Water Molecules Imaged at an X-Ray Free-Electron Laser

T. Jahnke, R. Guillemin, L. Inhester, S. Son, G. Kastirke, M. Ilchen, J. Rist, D. Trabert, N. Melzer, N. Anders, T. Mazza, R. Boll, A. De Fanis, V Music, T. Weber, M. Weller, S. Eckart, K. Fehre, S. Grundmann, A. Hartung, M. Hofmann, C. Janke, M. Kircher, G. Nalin, A. Pier, J. Siebert, N. Strenger, I Vela-Perez, T. M. Baumann, P. Grychtol, J. Montano, Y. Ovcharenko, N. Rennhack, D. E. Rivas, R. Wagner, P. Ziolkowski, P. Schmidt, T. Marchenko, O. Travnikova, L. Journel, I. Ismail, E. Kukk, J. Niskanen, F. Trinter, C. Vozzi, M. Devetta, S. Stagira, M. Gisselbrecht, A. L. Jaeger, X. Li, Y. Malakar, ... and M. N. Piancastelli
Physical Review X 11, 041044 (2021)

Reaction microscope for investigating ionization dynamics of weakly bound alkali dimers

N. Kurz, D. Fischer, T. Pfeifer, and A. Dorn
Review of Scientific Instruments 92, 123202 (2021)

Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies

E. Appi, C. C. Papadopoulou, J. L. Mapa, C. Jusko, P. Mosel, A. Schoenberg, J. Stock, T. Feigl, S. Alisauskas, T. Lang, C. M. Heyl, B. Manschwetus, M. Brachmanski, M. Braune, H. C. Lindenblatt, F. Trost, S. Meister, P. Schoch, A. Trabattoni, F. Calegari, R. Treusch, R. Moshammer, I. Hartl, U. Morgner, and M. Kovacev
Review of Scientific Instruments 92, 123004 (2021)

TrapREMI: A reaction microscope inside an electrostatic ion beam trap

F. Schotsch, I. Zebergs, S. Augustin, H. Lindenblatt, L. Hoibl, D. Djendjur, C.-D. Schröter, T. Pfeifer, and R. Moshammer
Review of Scientific Instruments 92, 123201 (2021)

XUV-Initiated Dissociation Dynamics of Molecular Oxygen (O2)

M. Rebholz, T. Ding, L. Aufleger, M. Hartmann, K. Meyer, V. Stooß, A. Magunia, D. Wachs, P. Birk, Y. Mi, G. D. Borisova, C. da Costa, P. Rupprecht, M. Magrakvelidze, U. Thumm, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, G. Brenner, C. R. Ott, and T. Pfeifer
The Journal of Physical Chemistry A 125, 10138-10143 (2021)

Ultrafast ring-opening fragmentation dynamics of C6H63+ induced by electron-impact ionization

J. Zhou, Y. Li, Y. Wang, S. Jia, X. Xue, T. Yang, Z. Zhang, A. Dorn, and X. Ren
Physical Review A 104, 032807 (2021)

Pulse Energy and Pulse Duration Effects in the Ionization and Fragmentation of Iodomethane by Ultraintense Hard X Rays

X. Li, L. Inhester, S. J. Robatjazi, B. Erk, R. Boll, K. Hanasaki, K. Toyota, Y. Hao, C. Bomme, B. Rudek, L. Foucar, S. H. Southworth, C. S. Lehmann, B. Kraessig, T. Marchenko, M. Simon, K. Ueda, K. R. Ferguson, M. Bucher, T. Gorkhover, S. Carron, R. Alonso-Mori, J. E. Koglin, J. Correa, G. J. Williams, S. Boutet, L. Young, C. Bostedt, S. -K. Son, R. Santra, D. Rolles, and A. Rudenko
Physical Review Letters 127, 093202 (2021)

An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions

J. Stark, C. Warnecke, S. Bogen, S. Chen, E. Dijck, S. Kühn, M. Rosner, A. Graf, J. Nauta, J. Oelmann, L. Schmöger, M. Schwarz, D. Liebert, L. J. Spieß, S. A. King, T. Leopold, P. Micke, P. O. Schmidt, T. Pfeifer, and J. R. Crespo Lopez-Urrutia
Review of Scientific Instruments 92, 083203 (2021)

Site-specific interrogation of an ionic chiral fragment during photolysis using an X-ray free-electron laser

M. Ilchen, P. Schmidt, N. M. Novikovskiy, G. Hartmann, P. Rupprecht, R. N. Coffee, A. Ehresmann, A. Galler, N. Hartmann, W. Helml, Z. Huang, L. Inhester, A. A. Lutman, J. P. MacArthur, T. Maxwell, M. Meyer, V. Music, H. Nuhn, T. Osipov, D. Ray, T. J. A. Wolf, S. Bari, P. Walter, Z. Li, S. Moeller, A. Knie, and P. V. Demekhin
Communications Chemistry 4, 119 (2021)

Attosecond delay lines: design, characterization and applications

A. Mandal, M. S. Sidhu, J. M. Rost, T. Pfeifer, and K. P. Singh
The European Physical Journal Special Topics (2021)

Fe xvii 2p-3s Line Ratio Diagnostic of Shock Formation Radius in O Stars

G. J. Grell, M. A. Leutenegger, and C. Shah
Astrophysical Journal 917, 105 (2021)

Absolute triple differential cross sections for low-energy electron impact ionization of biochemically relevant systems: Water, tetrahydrofuran, and hydrated tetrahydrofuran

J. Zhou, E. Ali, M. Gong, S. Jia, Y. Li, Y. Wang, Z. Zhang, X. Xue, D. Fursa V, I. Bray, X. Chen, D. Madison, A. Dorn, and X. Ren
Physical Review A 104, 012817 (2021)

Linear dichroism in few-photon ionization of laser-dressed helium

S. Meister, A. Bondy, K. Schnorr, S. Augustin, H. C. Lindenblatt, F. Trost, X. Xie, M. Braune, B. Manschwetus, N. Schirmel, H. Redlin, N. Douguet, T. Pfeifer, K. Bartschat, and R. Moshammer
European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 75, 205 (2021)

All-XUV Pump-Probe Transient Absorption Spectroscopy of the Structural Molecular Dynamics of Di-iodomethane

M. Rebholz, T. Ding, V. Despré, L. Aufleger, M. Hartmann, K. Meyer, V. Stooß, A. Magunia, D. Wachs, P. Birk, Y. Mi, G. D. Borisova, C. da Costa, P. Rupprecht, G. Schmid, K. Schnorr, C. D. Schröter, R. Moshammer, Z. Loh, A. R. Attar, S. R. Leone, T. Gaumnitz, H. J. Wörner, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, G. Brenner, J. Vester, A. I. Kuleff, C. Ott, and T. Pfeifer
Physical Review X 11, 031001 (2021)

High-resolution Laboratory Measurements of K-shell X-Ray Line Polarization and Excitation Cross Sections in Helium-like S XV Ions

C. Shah, N. Hell, A. Hubbard, M. F. Gu, M. J. MacDonald, M. E. Eckart, R. L. Kelley, C. A. Kilbourne, M. A. Leutenegger, F. S. Porter, and G. V. Brown
Astrophysical Journal 914, 34 (2021)

Comprehensive Laboratory Measurements Resolving the LMM Dielectronic Recombination Satellite Lines in Ne-like Fe XVII Ions

F. Grilo, C. Shah, S. Kühn, R. Steinbrügge, K. Fujii, J. Marques, M. F. Gu, J. P. Santos, J. R. Crespo López-Urrutia, and P. Amaro
Astrophysical Journal 913, 140 (2021)

Single-shot electron imaging of dopant-induced nanoplasmas

C. Medina, D. Schomas, N. Rendler, M. Debatin, D. Uhl, A. Ngai, B. Ltaief, M. Dumergue, Z. Filus, B. Farkas, R. Flender, L. Haizer, B. Kiss, M. Kurucz, B. Major, S. Toth, F. Stienkemeier, R. Moshammer, T. Pfeifer, S. R. Krishnan, A. Heidenreich, and M. Mudrich
New Journal of Physics 23, 053011 (2021)

Coincident angle-resolved state-selective photoelectron spectroscopy of acetylene molecules: a candidate system for time-resolved dynamics

S. Mandal, R. Gopal, H. Srinivas, A. D'Elia, A. Sen, S. Sen, R. Richter, M. Coreno, B. Bapat, M. Mudrich, V. Sharma, and S. R. Krishnan
Faraday Discussions 228, 242-265 (2021)

An (e, 2e + ion) study of electron-impact ionization and fragmentation of carbon dioxide clusters

X. Wang, H. Yang, K. Hossen, A. Dorn, and X. Ren
Journal of Physics B: Atomic, Molecular and Optical Physics 54, 075201 (2021)

Sensitivity to New Physics of Isotope Shift Studies using the Coronal Lines of Highly Charged Calcium Ions

N. Rehbehn, M. Rosner, H. Bekker, J. C. Berengut, P. O. Schmidt, S. A. King, P. Micke, M. F. Gu, R. Müller, A. Surzhykov, and J. R. Crespo López-Urrutia
Physical Review A 103, L040801 (2021)

Double and Triple Differential Cross Sections for Single Ionization of Benzene by Electron Impact

A. I. Lozano, F. Costa, X. Ren, A. Dorn, L. Álvarez, F. Blanco, P. Limão-Vieira, and G. García
International Journal of Molecular Sciences 22, 4601 (2021)

Real-time observation of ultrafast molecular rotation in weakly bound dimers

J. Zhou, C. He, M. Liu, E. Wang, S. Jia, A. Dorn, X. Ren, and Y. Liu
Physical Review Research 3, 023050 (2021)

Watching the formation and reshaping of a Fano resonance in a macroscopic medium

Y. He, Z. Liu, N. Xue, C. Ott, T. Pfeifer, A. N. Pfeiffer, and B. Hu
Physical Review A 103, L041102 (2021)

Formation of covalently bound C4H4+ upon electron-impact ionization of acetylene dimer

Y. Wang, E. Wang, J. Zhou, A. Dorn, and X. Ren
The Journal of Chemical Physics 154, 144301 (2021)

Probing ultrafast coherent dynamics in core-excited xenon by using attosecond XUV-NIR transient absorption spectroscopy

D. Kolbasova, M. Hartmann, R. Jin, A. Blättermann, C. Ott, S. Son, T. Pfeifer, and R. Santra
Physical Review A 103, 043102 (2021)

Power-Law Intensity Distribution of γ-Decay Cascades: Nuclear Structure as a Scale-Free Random Network

K. Fujii and J. C. Berengut
Physical Review Letters 126, 102502 (2021)

Role of the Environment in Quenching the Production of H+3 from Dicationic Clusters of Methanol

E. Wang, X. Ren, and A. Dorn
Physical Review Letters 126, 103402 (2021)

Molecular structure retrieval directly from laboratory-frame photoelectron spectra in laser-induced electron diffraction

A. Sanchez, K. Amini, S.-J. Wang, T. Steinle, B. Belsa, J. Danek, A. T. Le, X. Liu, R. Moshammer, T. Pfeifer, M. Richter, J. Ullrich, S. Gräfe, C. D. Lin, and J. Biegert
Nature Communications 12, 1520 (2021)

Subcycle control of the photoelectron angular distribution using two-color laser fields having different kinds of polarization

X. Sun, D. Martinez, P. Froß, N. Camus, Y. Mi, W. Zhang, Z. Chen, T. Pfeifer, and R. Moshammer
Physical Review A 103, 033106 (2021)

Decomposition of the transition phase in multi-sideband schemes for reconstruction of attosecond beating by interference of two-photon transitions

D. Bharti, D. Atri-Schuller, G. Menning, K. R. Hamilton, R. Moshammer, T. Pfeifer, N. Douguet, K. Bartschat, and A. Harth
Physical Review A 103, 022834 (2021)

Coherent X-ray−optical control of nuclear excitons

K. P. Heeg, A. Kaldun, C. Strohm, C. Ott, R. Subramanian, D. Lentrodt, J. Haber, H. Wille, S. Goerttler, R. Rüffer, C. H. Keitel, R. Röhlsberger, T. Pfeifer, and J. Evers
Nature 590, 401-404 (2021)
 MPIK press release: X-ray double flashes control atomic nuclei
 MPIK-Pressemitteilung: Röntgen-Doppelblitze treiben Atomkerne an
 MPG press release: Atomic nuclei in the quantum swing
 Press release of the European Synchrotron Radiation Facility (ESRF): X-ray double flashes control atomic nuclei
 MPIK press release: MPIK twice among the finalists for “Breakthrough of the Year 2021“
 MPIK-Pressemitteilung: MPIK gleich doppelt unter den 10 Finalisten für „Breakthrough of the Year 2021“

Absolute throughput calibration of multiple spherical crystals for the Orion High-REsolution X-ray spectrometer (OHREX)

M. J. MacDonald, K. Widmann, P. Beiersdorfer, N. Hell, D. J. Hoarty, E. W. Magee, C. Shah, R. Shepherd, and G. V. Brown
Review of Scientific Instruments 92, 023509 (2021)

Measuring the frequency chirp of extreme-ultraviolet free-electron laser pulses by transient absorption spectroscopy

T. Ding, M. Rebholz, L. Aufleger, M. Hartmann, V. Stooß, A. Magunia, P. Birk, G. D. Borisova, D. Wachs, C. da Costa Castanheira, P. Rupprecht, Y. Mi, A. R. Attar, T. Gaumnitz, Z. Loh, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, A. Eislage, S. M. Cavaletto, C. Ott, and T. Pfeifer
Nature Communications 12, 643 (2021)

Formation of H3O+ in the Ionization and Fragmentation of Ethanol Induced by Electron Beam Irradiation

C. Ma, J. Zhou, E. Wang, T. Yang, Z. Xu, S. Jia, A. Dorn, and X. Ren
Laser and Particle Beams, 6616439 (2021)

XUV frequency comb production with an astigmatism-compensated enhancement cavity

J. Nauta, J. Oelmann, A. Borodin, A. Ackermann, P. Knauer, I. S. Muhammad, R. Pappenberger, T. Pfeifer, and J. R. Crespo López Urrutia
Optics Express 29, 2624-2636 (2021)

Laser-induced electron diffraction of the ultrafast umbrella motion in ammonia

B. Belsa, K. Amini, X. Liu, A. Sanchez, T. Steinle, J. Steinmetzer, A. Le, R. Moshammer, T. Pfeifer, J. Ullrich, R. Moszynski, C. Lin, S. Gräfe, and J. Biegert
Structural Dynamics 8, 014301 (2021)

Laser-induced control of the optical response of aluminum phthalocyanine chloride complexes dissolved in ethanol

C. da Costa Castanheira, A. Persch, P. Birk, C. Ott, and T. Pfeifer
Frontiers in Physics 9, 627826 (2021)

Imaging multiphoton ionization dynamics of CH3I at a high repetition rate XUV free-electron laser

Y. Cheng, B. Oostenrijk, J. Lahl, S. Maclot, S. Augustin, G. Schmid, K. Schnorr, S. Meister, and D. Rompotis
Journal of Physics B: Atomic, Molecular and Optical Physics 54, 014001 (2020)

High-Precision Determination of Oxygen-Kα Transition Energy Excludes Incongruent Motion of Interstellar Oxygen

M. A. Leutenegger, S. Kühn, P. Micke, R. Steinbrügge, J. Stierhof, C. Shah, N. Hell, M. Bissinger, M. Hirsch, R. Ballhausen, M. Lang, C. Gräfe, S. Wipf, R. Cumbee, G. L. Betancourt-Martinez, S. Park, V. A. Yerokhin, A. Surzhykov, W. C. Stolte, J. Niskanen, M. Chung, F. S. Porter, T. Stöhlker, T. Pfeifer, J. Wilms, G. V. Brown, J. R. Crespo López Urrutia, and S. Bernitt
Physical Review Letters 125, 243001 (2020)

Mapping Resonance Structures in Transient Core-Ionized Atoms

T. Mazza, M. Ilchen, M. D. Kiselev, E. Gryzlova V, T. M. Baumann, R. Boll, A. De Fanis, P. Grychtol, J. Montano, V Music, Y. Ovcharenko, N. Rennhack, D. E. Rivas, P. Schmidt, R. Wagner, P. Ziolkowski, N. Berrah, B. Erk, P. Johnsson, C. Kuestner-Wetekam, L. Marder, M. Martins, C. Ott, S. Pathak, T. Pfeifer, D. Rolles, O. Zatsarinny, A. N. Grum-Grzhimailo, and M. Meyer
Physical Review X 10, 041056 (2020)

Photoelectron spectroscopy of laser-dressed atomic helium

S. Meister, A. Bondy, K. Schnorr, S. Augustin, H. C. Lindenblatt, F. Trost, X. Xie, M. Braune, R. Treusch, B. Manschwetus, N. Schirmel, H. Redlin, N. Douguet, T. Pfeifer, K. Bartschat, and R. Moshammer
Physical Review A 102, 062809 (2020)

Triple-differential cross sections for (e, 2e) electron-impact ionization dynamics of tetrahydrofuran at low projectile energy

E. Wang, X. Ren, M. Gong, E. Ali, Z. Wang, C. Ma, D. Madison, X. Chen, and A. Dorn
Physical Review A 102, 062813 (2020)

Mechanisms and dynamics of the NH+2 + H+ and NH+ + H+ + H fragmentation channels upon single-photon double ionization of NH3

K. A. Larsen, T. N. Rescigno, Z. L. Streeter, W. Iskandar, S. Heck, A. Gatton, E. G. Champenois, T. Severt, R. Strom, B. Jochim, D. Reedy, D. Call, R. Moshammer, R. Dörner, A. L. Landers, J. B. Williams, C. W. McCurdy, R. R. Lucchese, I. Ben-Itzhak, D. S. Slaughter, and T. Weber
Journal of Physics B: Atomic, Molecular and Optical Physics 53, 244003 (2020)

Pulse length effects on autoionizing states under the influence of intense SASE XUV fields

L. Aufleger, P. Friebel, P. Rupprecht, A. Magunia, T. Ding, M. Rebholz, M. Hartmann, V. Stooß, C. Ott, and T. Pfeifer
Journal of Physics B: Atomic, Molecular and Optical Physics 53, 234002 (2020)

Tin resonance-ionization schemes for atomic- and nuclear-structure studies

F. P. Gustafsson, C. M. Ricketts, M. L. Reitsma, R. F. Garcia Ruiz, S. W. Bai, J. C. Berengut, J. Billowes, C. L. Binnersley, A. Borschevsky, T. E. Cocolios, B. S. Cooper, R. P. de Groote, K. T. Flanagan, A. Koszorus, G. Neyens, H. A. Perrett, A. R. Vernon, Q. Wang, S. G. Wilkins, and X. F. Yang
Physical Review A 102, 052812 (2020)

Observation of strong two-electron-one-photon transitions in few-electron ions

M. Togawa, S. Kuehn, C. Shah, P. Amaro, R. Steinbruegge, J. Stierhof, N. Hell, M. Rosner, K. Fujii, M. Bissinger, R. Ballhausen, M. Hoesch, J. Seltmann, S. Park, F. Grilo, F. S. Porter, J. P. Santos, M. Chung, T. Stoehlker, J. Wilms, T. Pfeifer, G. Brown V, M. A. Leutenegger, S. Bernitt, and J.R. Crespo Lopez-Urrutia
Physical Review A 102, 052831 (2020)

Clocking Enhanced Ionization of Hydrogen Molecules with Rotational Wave Packets

Y. Mi, P. Peng, N. Camus, X. Sun, P. Froß, D. Martinez, Z. Dube, P. B. Corkum, D. M. Villeneuve, A. Staudte, R. Moshammer, and T. Pfeifer
Physical Review Letters 125, 173201 (2020)

Ellipticity-dependent sequential over-barrier ionization of cold rubidium

J. Yuan, S. Liu, X. Wang, Z. Shen, Y. Ma, H. Ma, Q. Meng, T. Yan, Y. Zhang, A. Dorn, M. Weidemüller, D. Ye, and Y. Jiang
Physical Review A 102, 043112 (2020)

Photoelectron and fragmentation dynamics of the H+ + H+ dissociative channel in NH3 following direct single-photon double ionization

K. A. Larsen, T. N. Rescigno, T. Severt, Z. L. Streeter, W. Iskandar, S. Heck, A. Gatton, E. G. Champenois, R. Strom, B. Jochim, D. Reedy, D. Call, R. Moshammer, R. Doerner, A. L. Landers, J. B. Williams, C. W. McCurdy, R. R. Lucchese, I. Ben-Itzhak, D. S. Slaughter, and T. Weber
Physical Review Research 2, 043056 (2020)

X-ray spectra of the Fe-L complex II: atomic data constraints from EBIT experiment and X-ray grating observations of Capella

L. Gu, C. Shah, J. Mao, A. J. J. Raassen, J. de Plaa, C. Pinto, H. Akamatsu, N. Werner, A. Simionescu, F. Mernier, M. Sawada, P. Mohanty, P. Amaro, M. F. Gu, F. S. Porter, J. R. Crespo López-Urrutia, and J. S. Kaastra
Astronomy and Astrophysics 641, A93 (2020)

In-line ultra-thin attosecond delay line with direct absolute-zero delay reference and high stability

S. Dahiya, M. S. Sidhu, A. Tyagi, A. Mandal, B. Nandy, J. M. Rost, T. Pfeifer, and K. P. Singh
Optics Letters 45, 5266-5269 (2020)

XUV pump–XUV probe transient absorption spectroscopy at FELs

T. Ding, M. Rebholz, L. Aufleger, M. Hartmann, V. Stooß, A. Magunia, P. Birk, G. D. Borisova, C. da Costa Castanheira, P. Rupprecht, Y. Mi, T. Gaumnitz, Z. Loh, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, C. Ott, and T. Pfeifer
Faraday Discussions 228, 519-536 (2020)

Bound-State Electron Dynamics Driven by Near-Resonantly Detuned Intense and Ultrashort Pulsed XUV Fields

A. Magunia, L. Aufleger, T. Ding, P. Rupprecht, M. Rebholz, C. Ott, and T. Pfeifer
Applied Sciences 10, 6153 (2020)

Noise effects and the impact of detector responses on the characterization of extreme ultraviolet attosecond pulses

S. Hu, M. Hartmann, A. Harth, C. Ott, and T. Pfeifer
Applied Optics 59, 2121-2127 (2020)

Intense x-rays can be (slightly) exciting

T. Pfeifer
Science 369, 1568-1569 (2020)

A Complete Cross Section Data Set for Electron Scattering by Pyridine: Modelling Electron Transport in the Energy Range 0-100 eV

F. Costa, A. Traore-Dubuis, L. Alvarez, A. Lozano I, X. Ren, A. Dorn, P. Limao-Vieira, F. Blanco, J. C. Oller, A. Munoz, A. Garcia-Abenza, J. D. Gorfinkiel, A. S. Barbosa, M. H. F. Bettega, P. Stokes, R. D. White, D. B. Jones, M. J. Brunger, and G. Garcia
International Journal of Molecular Sciences 21, 6947 (2020)

Direct inner-shell photoionization of Xe atoms embedded in helium nanodroplets

L. Ben Ltaief, M. Shcherbinin, S. Mandal, S. R. Krishnan, R. Richter, T. Pfeifer, and M. Mudrich
Journal of Physics B: Atomic, Molecular and Optical Physics 53, 204001 (2020)

Strong-field-gated buildup of a Rydberg series

V. Stooß, P. Birk, A. Blättermann, M. Hartmann, G. D. Borisova, C. Ott, and T. Pfeifer
Physical Review Research 2, 032041(R) (2020)

EUV spectroscopy of Sn5+ –Sn10+ ions in an electron beam ion trap and laser-produced plasmas

Z. Bouza, J. Scheers, A. Ryabtsev, R. Schupp, L. Behnke, C. Shah, J. Sheil, M. Bayraktar, J. R. Crespo López Urrutia, W. Ubachs, R. Hoekstra, and O. O. Versolato
Journal of Physics B: Atomic, Molecular and Optical Physics 53, 195001 (2020)

Atomic physics studies at the Gamma Factory at CERN

D. Budker, J. R. Crespo Lopez-Urrutia, A. Derevianko, V. V. Flambaum, M. W. Krasny, A. Petrenko, S. Pustelny, A. Surzhykov, V. A. Yerokhin, and M. Zolotorev
Annalen der Physik, 00204 (2020)

Amplified spontaneous emission in the extreme ultraviolet by expanding xenon clusters

A. Benediktovitch, L. Mercadier, O. Peyrusse, A. Przystawik, T. Laarmann, B. Langbehn, C. Bomme, B. Erk, J. Correa, C. Mossé, D. Rolles, S. Toleikis, M. Bucher, C. F. O. Bostedt, A. Sanchez-Gonzalez, S. Dobrodey, M. Blessenohl, A. Nelde, M. Müller, D. Rupp, T. Möller, J. R. Crespo López-Urrutia, and N. Rohringer
Physical Review A 101, 063412 (2020)

High Resolution Photoexcitation Measurements Exacerbate the Long-Standing Fe XVII Oscillator Strength Problem

S. Kühn, C. Shah, J. R. Crespo López-Urrutia, K. Fujii, R. Steinbrügge, J. Stierhof, M. Togawa, Z. Harman, N. S. Oreshkina, C. Cheung, M. G. Kozlov, S. G. Porsev, M. S. Safronova, J. C. Berengut, M. Rosner, M. Bissinger, R. Ballhausen, N. Hell, S. Park, M. Chung, M. Hoesch, J. Seltmann, A. S. Surzhykov, V. A. Yerokhin, J. Wilms, F. S. Porter, T. Stöhlker, C. H. Keitel, T. Pfeifer, G. V. Brown, M. A. Leutenegger, and S. Bernitt
Physical Review Letters 124, 225001 (2020)

EUV spectroscopy of highly charged Sn13+-Sn15+ ions in an electron-beam ion trap

J. Scheers, C. Shah, A. Ryabtsev, H. Bekker, F. Torretti, J. Shell, D. A. Czapski, J. C. Berengut, W. Ubachs, J. R. Crespo López Urrutia, R. Hoekstra, and O. O. Versolato
Physical Review A 101, 062511 (2020)

Nonlinear isotope-shift effects in Be-like, B-like, and C-like argon

V. A. Yerokhin, R. A. Mueller, A. Surzhykov, P. Micke, and P. O. Schmidt
Physical Review A 101, 012502 (2020)

Molecular-frame (e, 2e) ionization dynamics of H2 at high impact-energy

E. Wang, E. Ali, X. Li, X. Ren, X. Chen, D. Madison, and A. Dorn
European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 74, 105 (2020)

Attosecond transient absorption of a continuum threshold

P. Birk, V. Stooß, M. Hartmann, G. D. Borisova, A. Blättermann, T. Heldt, K. Bartschat, C. Ott, and T. Pfeifer
Journal of Physics B: Atomic, Molecular and Optical Physics 53, 124002 (2020)

Strong-field-induced single and double ionization dynamics from single and double excitations in a two-electron atom

G. D. Borisova, V. Stooß, A. Dingeldey, A. Kaldun, T. Ding, P. Birk, M. Hartmann, T. Heldt, C. Ott, and T. Pfeifer
Journal of physics communications 4, 055012 (2020)

Electronic Bridge Excitation in Highly Charged 229Th Ions

P. V. Bilous, H. Bekker, J. C. Berengut, B. Seiferle, L. von der Wense, P. G. Thirolf, T. Pfeifer, J. R. Crespo López-Urrutia, and A. Pálffy
Physical Review Letters 124, 192502 (2020)

A Simple Explanation for the Observed Power Law Distribution of Line Intensity in Complex Many-Electron Atoms

K. Fujii and J. C. Berengut
Physical Review Letters 124, 185002 (2020)

Detection of metastable electronic states by Penning trap mass spectrometry

R. X. Schüssler, H. Bekker, M. Braß, H. Cakir, J. R. Crespo López Urrutia, M. Door, P. E. Filianin, Z. Harman, M. W. Haverkort, W. J. Huang, P. Indelicato, C. H. Keitel, C. M. König., K. Kromer, M. Müller, Y. N. Novikov, A. Rischka, C. Schweiger, S. Sturm, S. Ulmer, S. Eliseev, and K. Blaum
Nature 581, 42-46 (2020)
 Nature News & Views: Mass spectrometry for future atomic clocks
 MPIK press release: Quantum jump tipping the balance
 MPIK-Pressemitteilung: Quantensprung auf der Waage
 MPG press release: Quantum jump tipping the balance
 MPG-Pressemitteilung: Quantensprung auf der Waage
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Water acting as a catalyst for electron-driven molecular break-up of tetrahydrofuran

E. Wang, X. Ren, W. Baek, H. Rabus, T. Pfeifer, and A. Dorn
Nature Communications 11, 2194 (2020)

Atomic, Molecular and Cluster Science with the Reaction Microscope Endstation at FLASH2

S. Meister, H. C. Lindenblatt, F. Trost, K. Schnorr, S. Augustin, M. Braune, R. Treusch, T. Pfeifer, and R. Moshammer
Applied Sciences 10, 2953 (2020)

A synchronized VUV light source based on high-order harmonic generation at FLASH

E. Appi, C. C. Papadopoulou, J. L. Mapa, N. Wesavkar, C. Jusko, P. Mosel, S. Ališauskas, T. Lang, C. M. Heyl, B. Manschwetus, M. Brachmanski, M. Braune, H. C. Lindenblatt, F. Trost, S. Meister, P. Schoch, R. Treusch, R. Moshammer, I. Hartl, U. Morgner, and M. Kovacev
Scientific Reports 10, 6867 (2020)

Collinear setup for delay control in two-color attosecond measurements

H. Ahmadi, S. Kellerer, D. Ertel, M. Moioli, M. Reduzzi, P. K. Maroju, A. Jäger, R. N. Shah, J. Lutz, F. Frassetto, L. Poletto, F. Bragheri, R. Osellame, T Pfeifer, C.D. Schroeter, R. Moshammer, and G. Sansone
Journal of Physics: Photonics 2, 024006 (2020)

Vibrational and distorted-wave effects on the highest occupied molecular orbital electronics structure of tetrachloromethane

D. Li, E. Wang, Z. Xu, Y. Wu, J. Deng, C. Ning, and X. Ren
Chemical Physics 535, 110794 (2020)

Penning spectroscopy and structure of acetylene oligomers in He nanodroplets

S. Mandal, R. Gopal, M. Shcherbinin, A. D'Elia, H. Srinivas, R. Richter, M. Coreno, B. Bapat, M. Mudrich, S. R. Krishnan, and V Sharma
Physical Chemistry Chemical Physics 22, 10149-10157 (2020)

100 MHz frequency comb for low-intensity multi-photon studies: intra-cavity velocity-map imaging of xenon

J. Nauta, J. Oelmann, A. Ackermann, P. Knauer, R. Pappenberger, A. Borodin, I. S. Muhammad, H. Ledwa, T. Pfeifer, and J.R. Crespo Lopez-Urrutia
Optics Letters 45, 2156-2159 (2020)

Ultrafast Proton Transfer Dynamics on the Repulsive Potential of the Ethanol Dication: Roaming-Mediated Isomerization versus Coulomb Explosion

E. Wang, X. Shan, L. Chen, T. Pfeifer, X. Chen, X. Ren, and A. Dorn
The Journal of Physical Chemistry A 124, 2785-2791 (2020)

Electron transfer mediated decay of alkali dimers attached to He nanodroplets

L. Ben Ltaief, M. Shcherbinin, S. Mandel, S. Krishnan, R. Richter, T. Pfeifer, M. Bauer, A. Ghosh, M. Mudrich, K. Gokhberg, and A. C. LaForge
Physical Chemistry Chemical Physics 22, 8557-8564 (2020)

Intermolecular Coulombic Decay in Endohedral Fullerene at the 4d -> 4f Resonance

R. Obaid, H. Xiong, S. Augustin, K. Schnorr, U. Ablikim, A. Battistoni, T. J. A. Wolf, R. C. Bilodeau, T. Osipov, K. Gokhberg, D. Rolles, A. C. LaForge, and N. Berrah
Physical Review Letters 124, 113002 (2020)

X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame

T. Kierspel, A. Morgan, J. Wiese, T. Mullins, A. Aquila, A. Barty, R. Bean, R. Boll, S. Boutet, P. Bucksbaum, H. N. Chapman, L. Christensen, A. Fry, M. Hunter, J. E. Koglin, M. Liang, V. Mariani, A. Natan, J. Robinson, D. Rolles, A. Rudenko, K. Schnorr, H. Stapelfeldt, S. Stern, J. Thogersen, C. H. Yoon, F. Wang, and J. Kuepper
The Journal of Chemical Physics 152, 084307 (2020)

Coherent laser spectroscopy of highly charged ions using quantum logic

P. Micke, T. Leopold, S. A. King, E. Benkler, L. J. Spieß, L. Schmoeger, M. Schwarz, J. R. Crespo Lopez-Urrutia, and P. O. Schmidt
Nature 578, 60-65 (2020)

Coincident detection of recoil ions and photoelectrons after multiphoton-ionisation of cold 6Li atoms trapped in a dipole trap

N. Kurz, D. T. M. Mootheril, S. Mezinska, T. Pfeifer, and A. Dorn
Journal of Physics: Conference Series 1412, 122022 (2020)

Spectroscopic investigations of YAG-laser-driven microdroplet-tin plasma sources of extreme ultraviolet radiation for nanolithography

O. Versolato, A. Bayerle, M. Bayraktar, L. Behnke, H. Bekker, Z. Bouza, J. Colgan, J. R. Crespo López Urrutia, M. J. Deuzeman, R. Hoekstra, D. Kurilovich, B. Liu, R. Meijer, A. Neukirch, L. Poirier, S. Rai, A. Ryabtsev, J. Scheers, R. Schupp, J. Sheil, F. Torretti, W. Ubachs, and S. Witte
Journal of Physics: Conference Series 1412, 192006 (2020)

Angle -resolved time delays in photoionization with a high repetition

H. Srinivas, F. Shobeiryt, D. Bharti, A. Harth, T. Pfeifer, and R. Moshammer
Journal of Physics: Conference Series 1412, 072033 (2020)

Three-body fragmentation of CF43+ induced by 1 keV electron collision

L. Chen, Z. J. Shen, E. Wang, X. Zhao, X. Shan, and X. J. Chen
Journal of Physics: Conference Series 1412, 132030 (2020)

Design and simulation of a novel magneto-optic trap

D. M. Mootheril, N. Kurz, S. Mezinska, T. Pfeifer, and A. Dorn
Journal of Physics: Conference Series 1412, 122027 (2020)

Ultrafast imaging of the Renner-Teller effect in a field-dressed molecule

K. Amini, T. Steinle, M. Sclafani, M. Shaikh, A. Sanchez, X. Liu, A. T. Le, J. Steinmetzer, T. Pfeifer, R. Moshammer, J. Ullrich, M. Lewenstein, R. Moszynski, J. G. de Abajo, C. D. Lin, S. Graefe, and J. Biegert
Journal of Physics: Conference Series 1412, 092001 (2020)

Unexpected role of water on the fragmentation of hydrated biomolecule clusters

E. Wang, X. Ren, and A. Dorn
Journal of Physics: Conference Series 1412, 212006 (2020)

Imaging an isolated water molecule with an attosecond electron wave packet

X. Liu, K. Amini, T. Steinle, A. Sanchez, M. Shaikh, B. Belsa, J. Steinmetzer, A. T. Le, R. Moshammer, T. Pfeifer, J. Ullrich, C. D. Lin, S. Graefe, and J. Biegert
Journal of Physics: Conference Series 1412, 072047 (2020)

Production of molecular dications by electron impact investigated by (e, e plus ion) measurement

S. Xu, Y. Wang, C. Ma, Y. Li, J. Zhou, L. Ding, Z. F. Xu, A. Dorn, and X. Ren
Journal of Physics: Conference Series 1412, 162021 (2020)

Detection of the 5p-4f orbital crossing and its optical clock transition in Pr9+

H. Bekker, A. Borschevsky, Z. Harman, C. H. Keitel, T. Pfeifer, P. O. Schmidt, J. R. Crespo López Urrutia, and J. C. Berengut
Nature Communications 10, 5651 (2019)
 MPIK-Pressemitteilung: Hochgeladenes Ion bahnt den Weg zu neuer Physik

Production of highly charged ions of rare species by laser-induced desorption inside an electron beam ion trap

C. Schweiger, C. König, J. R. Crespo López-Urrutia, M. Door, H. Dorrer, C. E. Düllmann, S. Eliseev, P. Filianin, W. Huang, K. Kromer, P. Micke, M. Müller, D. Renisch, A. Rischka, R. Schüssler, and K. Blaum
Review of Scientific Instruments 90, 123201 (2019)

Charge Exchange Dominates Long-Range Interatomic Coulombic Decay of Excited Metal-Doped Helium Nanodroplets

L. Ben Ltaief, M. Shcherbinin, S. Mandal, S. R. Krishnan, A. C. LaForge, R. Richter, S. Turchini, N. Zema, T. Pfeifer, E. Fasshauer, N. Sisourat, and M. Mudrich
The Journal of Physical Chemistry Letters 10, 6904-6909 (2019)

Strong-field extreme-ultraviolet dressing of atomic double excitation

C. Ott, L. Aufleger, T. Ding, M. Rebholz, A. Magunia, M. Hartmann, V. Stooß, D. Wachs, P. Birk, G. D. Borisova, K. Meyer, P. Rupprecht, C. da Costa Castanheira, R. Moshammer, A. R Attar, T. Gaumnitz, Z. H. Loh, S. Düsterer, R. Treusch, J. Ullrich, Y. Jiang, M. Meyer, P. Lambropoulos, and T. Pfeifer
Physical Review Letters 123, 163201 (2019)

Time-Resolved sub-Ångström Metrology by Temporal Phase Interferometry near X-Ray Resonances of Nuclei

S. Goerttler, K. P. Heeg, A. Kaldun, P. Reiser, C. Strohm, J. Haber, C. Ott, R. Subramanian, R. Röhlsberger, J. Evers, and T. Pfeifer
Physical Review Letters 123, 153902 (2019)

Fragmentation dynamics of nitrogen trifluoride induced by electron collision

E. Wang, X. Shan, Z. Shen, M. Cong, Y. Tang, and X. Chen
The Journal of Chemical Physics 151, 134308 (2019)

Attosecond precision in delay measurements using transient absorption spectroscopy

M. Hartmann, V. Stooß, P. Birk, G. D. Borisova, C. Ott, and T. Pfeifer
Optics Letters 44, 4749-4752 (2019)

Femtosecond-resolved observation of the fragmentation of buckminsterfullerene following X-ray multiphoton ionization

N. Berrah, A. Sanchez-Gonzalez, Z. Jurek, R. Obaid, H. Xiong, R. J. Squibb, T. Osipov, A. Lutman, L. Fang, T. Barillot, J. D. Bozek, J. Cryan, T. J. A. Wolf, D. Rolles, R. Coffee, K. Schnorr, S. Augustin, H. Fukuzawa, K. Motomura, N. Niebuhr, L. J. Frasinski, R. Feifel, C. P. Schulz, K. Toyota, S.-K. Son, K. Ueda, T. Pfeifer, J. P. Marangos, and R. Santra
Nature Physics 15, 1279-1283 (2019)

Photo-ionization and fragmentation of Sc3N@C80 following excitation above the Sc K-edge

R. Obaid, K. Schnorr, T. J. A. Wolf, T. Takanashi, N. G. Kling, K. Kooser, K. Nagaya, S. Wada, L. Fang, S. Augustin, D. You, E. E. B. Campbell, H. Fukuzawa, C. P. Schulz, K. Ueda, P. Lablanquie, T. Pfeifer, E. Kukk, and N. Berrah
The Journal of Chemical Physics 151, 104308 (2019)

Nonlinear Coherence Effects in Transient-Absorption Ion Spectroscopy with Stochastic Extreme-Ultraviolet Free-Electron Laser Pulses

T. Ding, M. Rebholz, L. Aufleger, M. Hartmann, K. Meyer, V. Stooß, A. Magunia, D. Wachs, P. Birk, Y. Mi, G. D. Borisova, C. da Costa Castanheira, P. Rupprecht, Z. Loh, A. R. Attar, T. Gaumnitz, S. Roling, M. Butz, H. Zacharias, S. Düsterer, R. Treusch, S. M. Cavaletto, C. Ott, and T. Pfeifer
Physical Review Letters 123, 103001 (2019)

Tracing charge transfer in argon dimers by XUV-pump IR-probe experiments at FLASH

G. Schmid, K. Schnorr, S. Augustin, S. Meister, H. C. Lindenblatt, F. Trost, Y. Liu, T. Miteva, M. Gisselbrecht, S. Düsterer, H. Redlin, R. Treusch, K. Gokhberg, A. I. Kuleff, C. D. Schröter, T. Pfeifer, and R. Moshammer
The Journal of Chemical Physics 151, 084314 (2019)

Revisiting the Fe XVII line emission problem: laboratory measurements of the 3s-2p and 3d-2p line-formation channels

C. Shah, J. R. Crespo Lopez-Urrutia, M. F. Gu, T. Pfeifer, J. Marques, F. Grilo, J. P. Santos, and P. Amaro
Astrophysical Journal 881, 100 (2019)

Roadmap on photonic, electronic and atomic collision physics: II. Electron and antimatter interactions

S. Schippers, E. Sokell, F. Aumayr, H. Sadeghpour, K. Ueda, I. Bray, K. Bartschat, A. Murray, J. Tennyson, A. Dorn, M. Yamazaki, M. Takahashi, N. Mason, O. Novotný, A. Wolf, L. Sanche, M. Centurion, Y. Yamazaki, G. Laricchia, C. M Surk, J. Sullivan, G. Gribakin, D. W. Savin, Y. Ralchenko, R. Hoekstra, and G. O'Sullivan
Journal of Physics B: Atomic, Molecular and Optical Physics 52, 171002 (2019)

Roadmap on photonic, electronic and atomic collision physics: III. Heavy particles: with zero to relativistic speeds

F. Aumayr, K. Ueda, E. Sokell, S. Schippers, H. Sadeghpour, F. Merkt, T. F. Gallagher, F. B. Dunning, P. Scheier, O. Eche, T. Kirchner, S. Fritzsche, A. Surzhykov, X. Ma, R. Rivarola, O. Fojon, L. Tribedi, E. Lamour, J. R. Crespo López-Urrutia, Y. A. Litvinov, V. Shabaev, H. Cederquist, H. Zettergren, M. Schleberger, R. A. Wilhelm, T. Azuma, P. Boduch, H. T. Schmidt, and T. Stoehlker
Journal of Physics B: Atomic, Molecular and Optical Physics 52, 171003 (2019)

Roadmap on photonic, electronic and atomic collision physics: I. Light–matter interaction

K. Ueda, E. Sokell, S. Schippers, F. Aumayr, H. Sadeghpour, J. Burgdörfer, C. Lemell, X. Tong, T. Pfeifer, F. Calegari, A. Palacios, F. Martin, P. Corkum, G. Sansone, E. V Gryzlova, A. N Grum-Grzhimailo, M. N. Piancastelli, P. M Weber, T. Steinle, K. Amini, J. Biegert, N. Berrah, E. Kukk, R. Santra, A. Müller, D. Dowek, R. R Lucchese, C W. McCurdy, P. Bolognesi, L. Avaldi, T. Jahnke, M. S Schöffler, R. Dörner, Y. Mairesse, L. Nahon, O. Smirnova, T. Schlathölter, E. E B Campbell, J. Rost, M. Meyer, and K. A Tanaka
Journal of Physics B: Atomic, Molecular and Optical Physics 52, 171001 (2019)

A cryogenic radio-frequency ion trap for quantum logic spectroscopy of highly charged ions

T. Leopold, S. A. King, P. Micke, A. Bautista-Salvador, J. C. Heip, C. Ospelkaus, J. R. Crespo Lopez-Urrutia, and P. O. Schmidt
Review of Scientific Instruments 90, 073201 (2019)

Direct loading of nanoparticles under high vacuum into a Paul trap for levitodynamical experiments

D. S. Bykov, P. Mestres, L. Dania, L. Schmoeger, and T. E. Northup
Applied Physics Letters 115, 034101 (2019)

Imaging an isolated water molecule using a single electron wave packet

X. Liu, K. Amini, T. Steinle, A. Sanchez, M. Shaikh, B. Belsa, J. Steinmetzer, A. Le, R. Moshammer, T. Pfeifer, J. H. Ullrich, R. Moszynski, C. D. Lin, S. Gräfe, and J. Biegert
The Journal of Chemical Physics 151, 024306 (2019)

Evidence of Extreme Ultraviolet Superfluorescence in Xenon

L. Mercadier, A. Benediktovitch, C. Weninger, M. A. Blessenohl, S. Bernitt, H. Bekker, S. Dobrodey, A. Sanchez-Gonzalez, B. Erk, C. Bomme, R. Boll, Z. Yin, V. P. Majety, R. F. Steinbrügge, M. A. Khalal, F. Penent, J. Palaudoux, P. Lablanquie, A. Rudenko, D. Rolles, J. R. Crespo López-Urrutia, and N. Rohringer
Physical Review Letters 123, 023201 (2019)

X-ray spectra of the Fe-L complex

L. Gu, A. J. J. Raassen, J. Mao, J. de Plaa, C. Shah, C. Pinto, N. Werner, A. Simionescu, F. Mernier, and J. S. Kaastra
Astronomy and Astrophysics 627, A51 (2019)

Erratum: Corrigendum: Vectorial optical field reconstruction by attosecond spatial interferometry

P. Carpeggiani, M. Reduzzi, A. Comby, H. Ahmadi, S. Kühn, F. Calegari, M. Nisoli, F. Frassetto, L. Poletto, D. Hoff, J. Ullrich, C.D. Schroeter, R. Moshammer, G. G. Paulus, and G. Sansone
Nature Photonics 11, 527 (2019)

Experimental and theoretical study of valence electronic structure of tetrabromomethane by (e, 2e) electron momentum spectroscopy

Z. Xu, P. Hu, E. Wang, S. Xu, X. Wang, Y. Zhao, J. Deng, C. Ning, and X. Ren
Physical Review A 99, 062705 (2019)

Closed-cycle, low-vibration 4 K cryostat for ion traps and other applications

P. Micke, J. Stark, S. A. King, T. Leopold, T. Pfeifer, L. Schmoeger, M. Schwarz, L. Spieß, P. O. Schmidt, and J. R. Crespo López Urrutia
Review of Scientific Instruments 90, 065104 (2019)

Signatures of self-modulation effects during pulse propagation in single-pulse absorption spectra

Y. He, Z. Liu, Z. Cui, Y. Zhang, A. N. Pfeiffer, T. Pfeifer, J. Ding, and B. Hui
Physical Review A 99, 053418 (2019)

XUV-beamline for attosecond transient absorption measurements featuring a broadband common beam-path time-delay unit and in situ reference spectrometer for high stability and sensitivity

V. Stooß, M. Hartmann, P. Birk, G. D. Borisova, T. Ding, A. Blättermann, C. Ott, and T. Pfeifer
Review of Scientific Instruments 90, 053108 (2019)

A coincidence velocity map imaging spectrometer for ions and high-energy electrons to study inner-shell photoionization of gas-phase molecules

U. Ablikim, C. Bomme, T. Osipov, H. Xiong, R. Obaid, R. C. Bilodeau, N. G. Kling, I. Dumitriu, S. Augustin, S. Pathak, K. Schnorr, D. Kilcoyne, N. Berrah, and D. Rolles
Review of Scientific Instruments 90, 055103 (2019)

Reaction microscope endstation at FLASH2

G. Schmid, K. Schnorr, S. Augustin, S. Meister, H. C. Lindenblatt, F. Trost, Y. Liu, M. Braune, R. Treusch, C. D. Schröter, T. Pfeifer, and R. Moshammer
Journal of Synchrotron Radiation 26, 854-867 (2019)

Imaging the Renner-Teller effect using laser-induced electron diffraction

K. Amini, M. Sclafani, T. Steinle, A. Le, A. Sanchez, C. Müller, J. Steinmetzer, L. Yue, J. R. M. Saavedra, M. Hemmer, M. Lewenstein, R. Moshammer, T. Pfeifer, M. G. Pullen, J. Ullrich, B. Wolter, R. Moszynski, F. J. G. de Abajo, C. D. Lin, S. Gräfe, and J. Biegert
Proceedings of the National Academy of Sciences of the United States of America 116, 8173-8177 (2019)

Role of high ponderomotive energy in laser-induced nonsequential double ionization

T. Shaaran, N. Camus, J. Dura, L. Fechner, A. Thai, A. Britz, M. Baudisch, T. Steinle, A. Senftleben, C. D. Schröter, J. Ullrich, T. Pfeifer, C. H. Keitel, J. Biegert, K. Z. Hatsagortsyan, and R. Moshammer
Physical Review A 99, 023421 (2019)

Observation of strong relativistic and distorted-wave effects in (e,2e) electron-momentum spectroscopy of mercury

S. Xu, C. Ma, E. Wang, P. Hu, X. Wang, Y. Zhao, Z. Xu, J. Deng, C. Ning, A. Dorn, and X. Ren
Physical Review A 99, 022705 (2019)

The ALPHATRAP experiment

S. Sturm, I. Arapoglou, A. Egl, M. Höcker, S. Kraemer, T. Sailer, B. Tu, A. Weigel, R. Wolf, J. R. Crespo López-Urrutia, and K. Blaum
European Physical Journal - Special Topics 227, 1425-1491 (2019)

Extracting phase information on continuum-continuum couplings

A. Harth, N. Douguet, K. Bartschat, R. Moshammer, and T. Pfeifer
Physical Review A 99, 023410 (2019)

Terahertz-Field-Induced Time Shifts in Atomic Photoemission

G. Schmid, K. Schnorr, S. Augustin, S. Meister, H. C. Lindenblatt, F. Trost, Y. Liu, N. Stojanovic, A. Al-Shemmary, T. Golz, R. Treusch, M. Gensch, M. Kübel, L. Foucar, A. Rudenko, J. Ullrich, C. D. Schröter, T. Pfeifer, and R. Moshammer
Physical Review Letters 122, 073001 (2019)

Inelastic scattering of photoelectrons from He nanodroplets

M. V. Shcherbinin, F. Vad Westergaard, M. Hanif, S. R. Krishnan, A. C. LaForge, R. Richter, T. Pfeifer, and M. Mudrich
The Journal of Chemical Physics 150, 044304 (2019)

Resonance strengths for KLL dielectronic recombination of highly charged mercury ions and improved empirical Z-scaling law

Z. Harman, C. Shah, A. J. González Martínez, U. D. Jentschura, H. Tawara, C. H. Keitel, J. H. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 99, 012506 (2019)

Highly efficient double ionization of mixed alkali dimers by intermolecular Coulombic decay

A. C. LaForge, M. Shcherbinin, F. Stienkemeier, R. Richter, R. Moshammer, T. Pfeifer, and M. Mudrich
Nature Physics 15, 247-250 (2019)

Laboratory Astrophysics Needs for X-ray Grating Spectrometers

R. Smith, T. Kallman, P. Temi, R. Heilmann, E. Hodges-Kluck, J. Wilms, C. Canizares, N. Brickhouse, C. Ballance, F. Nicastro, J. Kaastra, B. Mclaughlin, L. Brenneman, M. Leutenegger, G. Betancourt-Martinez, R. Cumbee, J. R. Crespo López-Urrutia, K. Madsen, L. Valencic, L. P. Corrales Anil, N. Hell, R. McEntaffer, S. Laha, D. W. Savin, F. S. Porter, A. Smale, A. Siemiginowska, D. Burrows, C. DeRoo, A. Falcone, J. J. Drake, H. M. Günther, S. J. Wolk, V. Burwitz, E. Costantini, H. Yamaguchi, P. Kretschmar, S. Nahar, D. Principe, E. Kara, V. Grinberg, L. Gallo, A. Ptak, E. Bulbul, C. Schneider, C. Grant, D. Barret, and E. Miller
Bulletin of the American Astronomical Society 51, 110 (2019)

Electron-ion momentum vector coincidences in electron collisions with atoms and molecules

A. Dorn, M. Weyland, and X. Ren
Journal of Electron Spectroscopy and Related Phenomena 230, 33-39 (2019)

Laboratory precision measurements of optical emissions from coronal iron

H. Bekker, C. Hensel, A. Daniel, A. Windberger, T. Pfeifer, and J. R. Crespo López-Urrutia
Physical Review A 98, 062514 (2018)

Highly charged ions: Optical clocks and applications in fundamental physics

M. G. Kozlov, M. S. Safronova, J. R. Crespo López-Urrutia, and P. O. Schmidt
Reviews of Modern Physics 90, 045005 (2018)

Real-Time Reconstruction of the Strong-Field-Driven Dipole Response

V. Stooß, S. M. Cavaletto, S. Donsa, A. Blättermann, P. Birk, C. H. Keitel, I. Brezinová, J. Burgdörfer, C. Ott, and T. Pfeifer
Physical Review Letters 121, 173005 (2018)

Enhanced high-order harmonic generation driven by a wavefront corrected high-energy laser

Y. Wang, T. Guo, J. Li, J. Zhao, Y. Yin, X. Ren, J. Li, Y. Wu, M. Weidman, Z. Chang, M. F. Jager, C. J. Kaplan, R. Geneaux, C. Ott, D. M. Neumark, and S. R. Leone
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 134005 (2018)

An electron beam ion trap and source for re-acceleration of rare-isotope ion beams at TRIUMF

M. Blessenohl, S. Dobrodey, C. Warnecke, M. Rosner, L. Graham, S. Paul, T. M. Baumann, Z. Hockenbery, R. Hubele, T. Pfeifer, F. Ames, J. Dilling, and J. R. Crespo López-Urrutia
Review of Scientific Instruments 89, 052401 (2018)

The Heidelberg compact electron beam ion traps

P. Micke, S. Kühn, L. Buchauer, J. R. Harries, T. M. Bücking, K. Blaum, A. Cieluch, A. Egl, D. Hollain, S. Kraemer, T. Pfeifer, P. O. Schmidt, R. X. Schüssler, C. Schweiger, T.. Stöhlker, S. Sturm, R. Wolf, S. Bernitt, and J. R. Crespo López-Urrutia
Review of Scientific Instruments 89, 063109 (2018)

Polarization of K-shell Dielectronic Recombination Satellite Lines of Fe xix–xxv and Its Application for Diagnostics of Anisotropies of Hot Plasmas

C. Shah, P. Amaro, R. F. Steinbrügge, S. Bernitt, J. R. Crespo López-Urrutia, and S. Tashenov
The Astrophysical Journal Supplement Series 234, 1-25 (2018)

Fragmentation dynamics of CS2 in collisions with 1.0 keV electrons

E. Wang, M. Gong, Z. Shen, X. Shan, X. Ren, A. Dorn, and X. Chen
The Journal of Chemical Physics 149, 204301 (2018)

Data Descriptor: Free-electron laser data for multiple-particle fluctuation scattering analysis

K. Pande, J. J. Donatelli, E. Malmerberg, L. Foucar, B. K. Poon, M. Sutter, S. Botha, S. Basu, R. B. Doak, K. Dorner, S. Epp, L. Englert, R. Fromme, E. Hartmann, R. Hartmann, G. Hauser, J. Hattne, A. Hosseinizadeh, S. Kassemeyer, L. Lomb, S. F. C. Montero, A. Menzel, D. Rolles, A. Rudenko, M. M. Seibert, R. G. Sierra, P. Schwander, A. Ourmazd, P. Fromme, N. K. Sauter, M. Bogan, J. Bozek, C. Bostedt, I. Schlichting, C. A. Kerfeld, and P. H. Zwart
Scientific Data 5, 180201 (2018)

Experimental evidence for ultrafast intermolecular relaxation processes in hydrated biomolecules

X. Ren, E. Wang, A. D. Skitnevskaya, A. B. Trofimov, K. Gokhberg, and A. Dorn
Nature Physics 14, 1062-1066 (2018)

Phase control of attosecond pulses in a train

C. Guo, A. Harth, S. Carlstrom, Y. Cheng, S. Mikaelsson, E. Marsell, C. Heyl, M. Miranda, M. Gisselbrecht, M. B. Gaarde, K. J. Schafer, A. Mikkelsen, J. Mauritsson, C. L. Arnold c, and A. L'Huillier
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 034006 (2018)

Compact 200kHz HHG source driven by a few-cycle OPCPA

A. Harth, C. Guo, Y. Cheng, A. Losquin, M. Miranda, S. Mikaelsson, C. M. Heyl, O. Prochnow, J. Ahrens, U. Morgner, A. L'Huillier, and C. L. Arnold
Journal of Optics 20, 014007 (2018)

Resonance signatures in the body-frame valence photoionization of CF4

K. A. Larsen, C. S. Trevisan, R. R. Lucchese, S. Heck, W. Iskandar, E. Champenois, A. Gatton, R. Moshammer, R. Strom, T. Severt, B. Jochim, D. Reedy, M. Weller, A. L. Landers, J. B. Williams, I. Ben-Itzhak, R. Doerner, D. Slaughter, C. W. McCurdy, T.. Weber, and T. N. Rescigno
Physical Chemistry Chemical Physics 20, 21075-21084 (2018)

Polarization effects in above-threshold ionization with a mid-infrared strong laser field

H. Kang, S. Xu, Y. Wang, S. Yu, X. Zhao, X. Hao, X. Lai, T. Pfeifer, X. Liu, J. Chen, Y. Cheng, and Z. Xu
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 105601 (2018)

Phase- and intensity-resolved measurements of above threshold ionization by few-cycle pulses

M. Kuebel, M. Arbeiter, C. Burger, N. G. Kling, T. Pischke, R. Moshammer, T. Fennel, M. F. Kling, and B. Bergues
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 134007 (2018)

Multicenter three-distorted-wave approach to three-dimensional images for electron-impact-ionization dynamics of molecules: Overall agreement with experiment

M. Gong, X. Li, S. B. Zhang, S. Niu, X. Ren, E. Wang, A. Dorn, and X. Chen
Physical Review A 98, 042710 (2018)

The CANREB Project for Charge State Breeding at TRIUMF

F. Ames, R. Baartman, B. Barquest, C. Barquest, M. Blessenohl, J. R. Crespo Lopez-Urrutia, J. Dilling, S. Dobrodey, L. Graham, R. Kanungo, M. Marchetto, M. R. Pearson, and S. Saminathan
AIP Conference Proceedings 2011, 070010 (2018)

Triple-differential cross sections for single ionization of CO2 by 100eV electron impact

K. Hossen, X. Ren, E. Wang, M. Gong, X. Li, S. B. Zhang, X. Chen, and A. Dorn
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 215201 (2018)

Attosecond electronic recollision as field detector

P. A. Carpeggiani, M. Reduzzi, A. Comby, H. Ahmadi, S. Kuhn, F. Frassetto, L. Poletto, D. Hoff, J. Ullrich, C.-D. Schröter, R. Moshammer, G. G. Paulus, and G. Sansone
Journal of Physics B 51, 104004 (2018)

All-optical atom trap as a target for MOTRIMS-like collision experiments

S. Sharma, B. P. Acharya, A. H. N. C. De Silva, N. W. Parris, B. J. Ramsey, K. L. Romans, A. Dorn, V. L. B. de Jesus, and D. Fischer
Physical Review A 97, 043427 (2018)

An (e, 2e+ion) study of electron-impact ionization and fragmentation of tetrafluoromethane at low energies

K. Hossen, X. Ren, E. Wang, S. V. K. Kumar s, and A. Dorn
European Physical Journal C - Particles and Fields 72, 43 (2018)

Attosecond transient absorption instrumentation for thin film materials: Phase transitions, heat dissipation, signal stabilization, timing correction, and rapid sample rotation

M. F. Jager, C. Ott, C. J. Kaplan, P. M. Kraus, D. M. Neumark, and S. R. Leone
Review of Scientific Instruments 89, 013109 (2018)

Ultrafast fragmentation dynamics of triply charged carbon dioxide: Vibrational-mode-dependent molecular bond breakage

H. Yang, E. Wang, W. Dong, M. Gong, Z. Shen, Y. Tang, X. Shan, and X. Chen
Physical Review A 97, 052703 (2018)

Charge exchange in galaxy clusters

L. Gu, J. Mao, J. de Plaa, A. J. J. Raassen, C. Shah, and J. S. Kaastra
Astronomy and Astrophysics 611, A26 (2018)

Relativistic and resonant effects in the ionization of heavy atoms by ultra-intense hard X-rays

B. Rudek, K. Toyota, L. Foucar, B. Erk, R. Boll, C. Bomme, J. Correa, S. Carron, S. Boutet, G. J. Williams, K. R. Ferguson, R. Alonso-Mori, J. E. Koglin, T. Gorkhover, M. Bucher, C. S. Lehmann, B. Krassig, S. H. Southworth, L. Young, C. Bostedt, K. Ueda, T. Marchenko, M. Simon, Z. Jurek, R. Santra, A. Rudenko, S. Son, and D. Rolles
Communications Physics 9, 4200 (2018)

Control of molecular breakup by an infrared pulse and a femtosecond pulse train

K. P. Singh, A. Kenfack, J. M. Rost, and T. Pfeifer
Physical Review A 97, 033406 (2018)

CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump-probe experiments at the FLASH free-electron laser

B. Erk, J. P. Mueller, C. Bomme, R. Boll, G. Brenner, H. N. Chapman, J. Correa, S. Duesterer, S. Dziarzhytski, S. Eisebitt, H. Graafsma, S. Grunewald, L. Gumprecht, R. Hartmann, G. Hauser, B. Keitel, C. von K. Schmising, M. Kuhlmann, B. Manschwetus, L. Mercadier, E. Mueller, C. Passow, E. Ploenjes, D. Ramm, D. Rompotis, A. Rudenko, D. Rupp, M. Sauppe, F. Siewert, D. Schlosser, L. Strueder, A. Swiderski, S. Techert, K. Tiedtke, T. Tilp, R. Treusch, I. Schlichting, J. Ullrich, R. Moshammer, T. Moeller, and D. Rolles
Journal of Synchrotron Radiation 25, 1529-1540 (2018)

Two-center interference in electron-impact ionization of molecular hydrogen

L. Chen, X. Ren, K. Hossen, E. Wang, X. Chen, and A. Dorn
Physical Review A 97, 022706 (2018)

Direct imaging of ultrafast structural deformations in excited state neutral polyatomic molecules using laser-induced electron diffraction

K. Amini, M. Sclafani, T. Steinle, J. Saavedra, C. Mueller, L. Yue, A. Sanchez, B. Wolter, M. Pullen, M. Hammer, L. Anh-Thu, T. Pfeifer, M. Lewenstein, C. Lin, J. Ullrich, R. Moshammer, J. Abajo, S. Graefe, R. Moszynski, and J. Biegert
Abstracts of Papers of the American Chemical Society 256, 12 (2018)

Dynamic effects in electron momentum spectroscopy of sulfur hexafluoride

X. Wang, S. Xu, C. Ning, O. Al-Hagan, P. Hu, Y. Zhao, Z. Xu, J. Deng, E. Wang, X. Ren, A. Dorn, and D. Madison
Physical Review A 97, 062704 (2018)

Time-resolved nuclear dynamics in bound and dissociating acetylene

C. Burger, A. Atia-Tul-Noor, T. Schnappinger, H. Xu, P. Rosenberger, N. Haram, S. Beaulieu, F. Legare, A. S. Alnaser, R. Moshammer, R. T. Sang, B. Bergues, M. S. Schuurman, R. de Vivie-Riedle, I. Litvinyuk V, and M. F. Kling
Structural Dynamics 5, 044302 (2018)

Signatures of autoionization in the angular electron distribution in two-photon double ionization of Ar

S. Augustin, M. Schulz, G. Schmid, K. Schnorr, E. Gryzlova V, H. C. Lindenblatt, S. Meister, Y. F. Liu, F. Trost, L. Fechner, A. N. Grum-Grzhimailo, S. M. Burkov, M. Braune, R. Treusch, M. Gisselbrecht, C. D. Schröter, T. Pfeifer, and R. Moshammer
Physical Review A 98, 033408 (2018)

Two-body fragmentation of OCS3+: an ab initio molecular dynamics simulation study

H. Yang, M. Gong, W. Dong, Z. Shen, E. Wang, and X. Chen
Journal of Physics B: Atomic, Molecular and Optical Physics 51, 245201 (2018)

Damaging Intermolecular Energy and Proton Transfer Processes in Alpha-Particle-Irradiated Hydrogen-Bonded Systems

S. Xu, D. Guo, X. Ma, X. Zhu, W. Feng, S. Yan, D. Zhao, Y. Gao, S. Zhang, X. Ren, Y. Zhao, Z. Xu, A. Dorn, L. S. Cederbaum, and N. Kryzhevoi V
Angewandte Chemie International Edition in English 57, 17023-17027 (2018)

Towards precision measurements on highly charged ions using a high harmonic generation frequency comb

J. Nauta, A. Borodin, H. B. Ledwa, J. Stark, M. Schwarz, L. Schmöger, P. Micke, J. R. Crespo López-Urrutia, and T. Pfeifer
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 408, 285-288 (2017)

Analysis of multiple scattering contributions in electron-impact ionization of molecular hydrogen

X. Ren, K. Hossen, E. Wang, M. S. Pindzola, A. Dorn, and J. Colgan
Journal of Physics B: Atomic, Molecular and Optical Physics 50, 204002 (2017)

Observation of fast and slow interatomic Coulombic decay in argon dimers induced by electron-impact ionization

X. Ren, T. Miteva, P. Kolorenč, K. Gokhberg, A. I. Kuleff, L. S. Cederbaum, and A. Dorn
Physical Review A 96, 032715 (2017)

Transition from nonsequential to sequential double ionization in many-electron systems

M. G. Pullen, B. Wolter, X. Wang, X. Tong, M. Sclafani, M. Baudisch, H. Pires, C. D. Schröter, J. Ullrich, T. Pfeifer, R. Moshammer, J. H. Eberly, and J. Biegert
Physical Review A 96, 033401 (2017)

Spectral narrowing of x-ray pulses for precision spectroscopy with nuclear resonances

K. P. Heeg, A. Kaldun, C. Strohm, P. Reiser, C. R. Ott, R. Subramanian, D. Lentrodt, J. Haber, H.-C. Wille, S. Goerttler, R. Rüffer, C. H. Keitel, R. Röhlsberger, T. Pfeifer, and J. Evers
Science 357, 375-378 (2017)
 MPG-Pressemitteilung: Scharfe Röntgenblitze aus dem Atomkern
 MPIK-Pressemitteilung: Ruckartige Bewegung schärft Röntgenpulse
 SOLARIFY: Ruckartige Bewegung schärft Röntgenpulse
 Innovations-Report: Ruckartige Bewegung schärft Röntgenpulse
 physik.cosmos-indirekt.de: Ruckartige Bewegung schärft Röntgenpulse

Experimental Evidence for Quantum Tunneling Time

N. Camus, E. Yakaboylu, L. Fechner, M. Klaiber, M. Laux, Y. Mi, K. Z. Hatsagortsyan, T. Pfeifer, C. H. Keitel, and R. Moshammer
Physical Review Letters 119, 023201 (2017)
 MPG-Pressemitteilung: Zeitmessung im Quantentunnel
 MPIK-Pressemitteilung: Quantenmechanisches Tunneln braucht Zeit
 Spektrum.de: Wie lange dauert der Tunneleffekt?

Electron-Nuclear Coupling through Autoionizing States after Strong-Field Excitation of H2 Molecules

Y. Mi, N. Camus, L. Fechner, M. Laux, R. Moshammer, and T. Pfeifer
Physical Review Letters 118, 183201 (2017)

Deterministic strong-field quantum control

S. M. Cavaletto, Z. Harman, T. Pfeifer, and C. H. Keitel
Physical Review A 95, 043413 (2017)

Optical spectroscopy of complex open-4d-shell ions Sn7+–Sn10+

F. Torretti, A. Windberger, A. Ryabtsev, S. Dobrodey, H. Bekker, W. Ubachs, R. Hoekstra, E. V. Kahl, J. C. Berengut, J. R. Crespo López-Urrutia, and O. O. Versolato
Physical Review A 95, 042503 (2017)

Time-resolved observation of interatomic excitation-energy transfer in argon dimers

T. Mizuno, P. Cörlin, T. Miteva, K. Gokhberg, A. Kuleff, L. S. Cederbaum, T. Pfeifer, A. Fischer, and R. Moshammer
The Journal of Chemical Physics 146, 104305 (2017)

State-selective influence of the Breit interaction on the angular distribution of emitted photons following dielectronic recombination

P. Amaro, C. Shah, R. F. Steinbrügge, C. Beilmann, S. Bernitt, J. R. Crespo López-Urrutia, and S. Tashenov
Physical Review A 95, 022712 (2017)

Electron-impact ionization of H2O at low projectile energy: Internormalized triple-differential cross sections in three-dimensional kinematics

X. Ren, S. Amami, K. Hossen, E. Ali, C. Ning, J. Colgan, D. Madison, and A. Dorn
Physical Review A 95, 022701 (2017)

Observation and quantification of the quantum dynamics of a strongfield excited multi-level system

Z. Liu, Q. Wang, J. Ding, S. M. Cavaletto, T. Pfeifer, and B. Hu
Scientific Reports 7, 39993 (2017)

Compact and flexible harmonic generator and three-color synthesizer for femtosecond coherent control and time-resolved studies

C. Burger, W. F. Frisch, T. M. Kardas, M. Trubetskov, V. Pervak, R. Moshammer, B. Bergues, M. F. Kling, and P. Wnuk
Optics Express 25, 31130-31139 (2017)

Femtosecond response of polyatomic molecules to ultra-intense hard X-rays

A. Rudenko, L. Inhester, K. Hanasaki, X. Li, S. J. Robatjazi, B. Erk, R. Boll, K. Toyota, Y. Hao, O. Vendrell, C. Bomme, E. Savelyev, B. Rudek, L. Foucar, S. H. Southworth, C. S. Lehmann, B. Kraessig, T. Marchenko, M. Simon, K. Ueda, K. R. Ferguson, M. Bucher, T. Gorkhover, S. Carron, R. Alonso-Mori, J. E. Koglin, J. Correa, G. J. Williams, S. Boutet, L. Young, C. Bostedt, S. -K. Son, R. Santra, and D. Rolles
Nature 546, 129-+ (2017)

Hot carrier relaxation in CdTe via phonon-plasmon modes

Y. Zhong, D. Ostach, M. Scholz, S. Epp, S. Techert, I. Schlichting, J. Ullrich, and F. S. Krasniqi
Journal of Physics: Condensed Matter 29, 095701 (2017)

Phase- and intensity-dependence of ultrafast dynamics in hydrocarbon molecules in few-cycle laser fields

M. Kuebel, C. Burger, R. Siemering, N. G. Kling, B. Bergues, A. S. Alnaser, I. Ben-Itzhak, R. Moshammer, R. de Vivie-Riedle, and M. F. Kling
Molecular Physics 115, 1835-1845 (2017)

Comparison of experimental and theoretical fully differential cross sections for single ionization of the 2s and 2p states of Li by Li2+ ions

E. Ghanbari-Adivi, D. Fischer, N. Ferreira, J. Goullon, R. Hubele, A. LaForge, M. Schulz, and D. Madison
Journal of Physics B 50, 215202 (2017)

Atomic lifetime measurements of Ne-like Fe ions in a magnetic field

E. Traebert, P. Beiersdorfer, and J. R. Crespo López-Urrutia
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 408, 107-109 (2017)

Interatomic Coulombic decay in helium nanodroplets

M. Shcherbinin, A. C. LaForge, V. Sharma, M. Devetta, R. Richter, R. Moshammer, T. Pfeifer, and M. Mudrich
Physical Review A 96, 013407 (2017)

Observation and Control of Laser-Enabled Auger Decay

D. Iablonskyi, K. Ueda, K. L. Ishikawa, A. S. Kheifets, P. Carpeggiani, M. Reduzzi, H. Ahmadi, A. Comby, G. Sansone, T. Csizmadia, S. Kuehn, E. Ovcharenko, T. Mazza, M. Meyer, A. Fischer, C. Callegari, O. Plekan, P. Finetti, E. Allaria, E. Ferrari, E. Roussel, D. Gauthier, L. Giannessi, and K. C. Prince
Physical Review Letters 119, 073203 (2017)

Vectorial optical field reconstruction by attosecond spatial interferometry

P. Carpeggiani, M. Reduzzi, A. Comby, H. Ahmadi, S. Kuehn, F. Calegari, M. Nisoli, F. Frassetto, L. Poletto, D. Hoff, J. Ullrich, C. D. Schroter, R. Moshammer, G. G. Paulus, and G. Sansone
Nature Photonics 11, 383-389 (2017)

Tracking the insulator-to-metal phase transition in VO2 with few-femtosecond extreme UV transient absorption spectroscopy

M. F. Jager, C. Ott, P. M. Kraus, C. J. Kaplan, W. Pouse, R. E. Marvel, R. F. Haglund, D. M. Neumark, and S. R. Leone
Proceedings of the National Academy of Sciences of the United States of America 114, 9558-9563 (2017)

Temporal resolution beyond the average pulse duration in shaped noisy-pulse transient absorption spectroscopy

K. Meyer, N. Müller, Z. Liu, and T. Pfeifer
Applied Optics 55, 10318-10322 (2016)

Laboratory measurements compellingly support a charge-exchange mechanism for the "dark matter" ~3.5 keV X-ray line

C. Shah, S. Dobrodey, S. Bernitt, R. F. Steinbrügge, J. R. Crespo López-Urrutia, L. Gu, and J. Kaastra
The Astronomical Journal 833, 52 (2016)

Observing the ultrafast buildup of a Fano resonance in the time domain

A. Kaldun, A. Blättermann, V. Stooß, S. Donsa, H. Wei, R. Pazourek, S. Nagele, C. Ott, C. D. Lin, J. Burgdörfer, and T. Pfeifer
Science 354, 738-741 (2016)

Ultrafast electron diffraction imaging of bond breaking in di-ionized acetylene

B. Wolter, M. G. Pullen, A.-T. Le, M. Baudisch, K. Doblhoff-Dier, A. Senftleben, M. Hemmer, C. D. Schröter, J. Ullrich, T. Pfeifer, R. Moshammer, S. Gräfe, O. Vendrell, C. D. Lin, and J. Biegert
Science 354, 308-312 (2016)

Physics book: CRYRING@ESR

M. Lestinsky, V. Andrianov, B. Aurand, V. Bagnoud, D. Bernhardt, H. Beyer, S. Bishop, K. Blaum, A. Bleile, A.. Borovik Jr., F. Bosch, C.J. Bostock, C. Brandau, A. Braeuning-Demian, I. Bray, T. Davinson, B. Ebinger, A. Echler, P. Egelhof, A. Ehresmann, M. Engstroem, C. Enss, N. Ferreira, D. Fischer, A. Fleischmann, E. Foerster, S. Fritzsche, R. Geithner, S. Geyer, J. Glorius, K. Goebel, O. Gorda, J. Goullon, P. Grabitz, R. Grisenti, A. Gumberidze, S. Hagmann, M. Heil, A. Heinz, F. Herfurth, R. Heß, P.-M. Hillenbrand, R. Hubele, P. Indelicato, A. Kaellberg, O. Kester, O. Kiselev, A. Knie, C. Kozhuharov, S. Kraft-Bermuth, T. Kuehl, ... and C. R. C. for the
The European Physical Journal Special Topics 225, 797-882 (2016)

Comparison of experimental and theoretical fully differential cross sections for single ionization of the 2s and 2p states of Li by O8+ ions

E. Ghanbari-Adivi, D. Fischer, N. Ferreira, J. Goullon, R. Hubele, A. LaForge, M. Schulz, and D. Madison
Physical Review A 94, 022715 (2016)

Multiple Ionization of Free Ubiquitin Molecular Ions in Extreme Ultraviolet Free-Electron Laser Pulses

T. Schlatholter, G. Reitsma, D. Egorov, O. Gonzalez-Magana, S. Bari, L. Boschman, E. Bodewits, K. Schnorr, G. Schmid, C. D. Schröter, R. Moshammer, and R. Hoekstra
Angewandte Chemie International Edition in English 55, 10741-10745 (2016)

Analysis of the fine structure of Sn11+ - Sn14+ ions by optical spectroscopy in an electron-beam ion trap

A. Windberger, F. Torretti, A. Borschevsky, A. Ryabtsev, S. Dobrodey, H. Bekker, E. Eliav, U. Kaldor, W. Ubachs, R. Hoekstra, J. R. Crespo López-Urrutia, and O. O. Versolato
Physical Review A 94, 012506 (2016)

Influence of orbital symmetry on diffraction imaging with rescattering electron wave packets

M. G. Pullen, B. Wolter, A. -T. Le, M. Baudisch, M. Sclafani, H. Pires, C.D. Schröter, J. Ullrich, R. Moshammer, T. Pfeifer, C. D. Lin, and J. Biegert
Nature Communications 7, 11922 (2016)

Strong higher-order resonant contributions to x-ray line polarization in hot plasmas

C. Shah, P. Amaro, R. F. Steinbrügge, C. Beilmann, S. Bernitt, S. Fritzsche, A. Surzhykov, J. R. Crespo López-Urrutia, and S. Tashenov
Physical Review E 93, 061201(R) (2016)

The Cryogenic Storage Ring CSR

R. von Hahn, A. Becker, F. A. Berg, K. Blaum, C. Breitenfeldt, H. Fadil, F. Fellenberger, M. Froese, S. George, J. Göck, M. Grieser, F. Grussie, E. A. Guerin, O. Heber, P. Herwig, J. Karthein, C. Krantz, H. Kreckel, M. Lange, F. Laux, S. Lohmann, S. Menk, C. Meyer, P. M. Mishra, O. Novotny, A. O'Connor, D. A. Orlov, M. L. Rappaport, R. Repnow, S. Saurabh, S. Schippers, C. D. Schröter, D. Schwalm, E. S. Schweikhard, T. Sieber, A. Shornikov, K. Spruck, S. Kumar, J. H. Ullrich, X. Urbain, S. Vogel, P. Wilhelm, A. Wolf, and D. Zajfman
Review of Scientific Instruments 87, 063115 (2016)

Experimental and theoretical triple-differential cross sections for tetrahydrofuran ionized by low-energy 26-eV-electron impact

E. Ali, X. Ren, A. Dorn, C. Ning, J. Colgan, and D. Madison
Physical Review A 93, 062705 (2016)

Complete characterization of single-cycle double ionization of argon from the nonsequential to the sequential ionization regime

M. Kübel, C. Burger, N. G. Kling, T. Pischke, L. Beaufore, I. Ben-Itzhak, G. G. Paulus, J. Ullrich, T. Pfeifer, R. Moshammer, M. F. Kling, and B. Bergues
Physical Review A 93, 053422 (2016)

Enhanced Ionization of Embedded Clusters by Electron-Transfer-Mediated Decay in Helium Nanodroplets

A. C. LaForge, V. Stumpf, K. Gokhberg, J. von Vangerow, F. Stienkemeier, N. V. Kryzhevoi, P. O’Keeffe, A. Ciavardini, S. R. Krishnan, M. Coreno, K. C. Prince, R. Richter, R. Moshammer, T. Pfeifer, L. S. Cederbaum, and M. Mudrich
Physical Review Letters 116, 203001 (2016)

Steering Proton Migration in Hydrocarbons Using Intense Few-Cycle Laser Fields

M. Kübel, R. Siemering, C. Burger, N. G. Kling, H. Li, A. S. Alnaser, B. Bergues, S. Zherebtsov, A. M. Azzeer, I. Ben-Itzhak, R. Moshammer, R. de Vivie-Riedle, and M. F. Kling
Physical Review Letters 116, 193001 (2016)

Dynamics of dissociative electron attachment to ammonia

T. N. Rescigno, C. S. Trevisan, A. E. Orel, D. S. Slaughter, H. Adaniya, A. Belkacem, M. Weyland, A. Dorn, and C. W. McCurdy
Physical Review A 93, 052704 (2016)

Fano resonances observed in helium nanodroplets

A. C. LaForge, D. Regina, G. Jabbari, K. Gokhberg, N. V. Kryzhevoi, S. R. Krishnan, M. Hess, P. O'Keeffe, A. Ciavardini, K. C. Prince, R. Richter, F. Stienkemeier, L. S. Cederbaum, T. Pfeifer, R. Moshammer, and M. Mudrich
Physical Review A 93, 050502(R) (2016)

Triple differential cross section for the near threshold single ionization of helium atoms for equal energy sharing

G. Purohit, P. Singh, A. Dorn, X. Ren, and V. Patidar
Journal of Electron Spectroscopy and Related Phenomena 209, 40-45 (2016)

Charge transfer in dissociating iodomethane and fluoromethane molecules ionized by intense femtosecond X-ray pulses

R. Boll, B. Erk, R. Coffee, S. Trippel, T. Kierspel, C. Bomme, J. D. Bozek, M. Burkett, S. Carron, K. R. Ferguson, L. Foucar, J. Kuepper, T. Marchenko, C. Miron, M. Patanen, T. Osipov, S. Schorb, M. Simon, M. Swiggers, S. Techert, K. Ueda, C. Bostedt, D. Rolles, and A. Rudenko
Structural Dynamics 3, 043207 (2016)

Direct evidence of two interatomic relaxation mechanisms in argon dimers ionized by electron impact

X. Ren, E. Jabbour Al Maalouf, A. Dorn, and S. Denifl
Nature Communications 7, 11093 (2016)

Double ionization of helium by 2-keV electrons in equal- and unequal-energy configurations

M. J. Ambrosio, D. M. Mitnik, A. Dorn, L. U. Ancarani, and G. Gasaneo
Physical Review A 93, 032705 (2016)

Coherent control with a short-wavelength free-electron laser

K. C. Prince, E. Allaria, C. Callegari, R. Cucini, G. De Ninno, S. Di Mitri, B. Diviacco, E. Ferrari, P. Finetti, D. Gauthier, L. Giannessi, N. Mahne, G. Penco, O. Plekan, L. Raimondi, P. Rebernik, E. Roussel, C. Svetina, M. Trovo, M. Zangrando, M. Negro, P. Carpeggiani, M. Reduzzi, G. Sansone, A. N. Grum-Grzhimailo, E. V. Gryzlova, S. I. Strakhova, K. Bartschat, N. Douguet, J. Venzke, D. Iablonskyi, Y. Kumagai, T. Takanashi, K. Ueda, A. Fischer, M. Coreno, F. Stienkemeier, Y. Ovcharenko, T. Mazza, and M. Meyer
Nature Photonics 10, 176-179 (2016)

Time-resolved four-wave-mixing spectroscopy for inner-valence transitions

T. Ding, C. Ott, A. Kaldun, A. Blättermann, K. Meyer, V. Stooß, M. Rebholz, P. Birk, M. Hartmann, A. Brown, H. van der Hart, and T. Pfeifer
Optics Letters 41, 709-712 (2016)

Femtosecond and nanometre visualization of structural dynamics in superheated nanoparticles

T. Gorkhover, S. Schorb, R. Coffee, M. Adolph, L. Foucar, D. Rupp, A. Aquila, J. D. Bozek, S. Epp, B. Erk, L. Gumprecht, L. Holmegaard, A. Hartmann, R. Hartmann, G. Hauser, P. Holl, A. Hoemke, P. Johnsson, N. Kimmel, K. Kühnel, M. Messerschmidt, C. Reich, A. Rouzee, B. Rudek, C. Schmidt, J. Schulz, H. Soltau, S. Stern, G. Weidenspointner, B. White, J. Kuepper, L. Strueder, I. Schlichting, J. H. Ullrich, D. Rolles, A. Rudenko, T. Moeller, and C. Bostedt
Nature Photonics 10, 93-97 (2016)

Measurement of the radiative decay rate and energy of the metastable (2s2 2p5½ 3s½)j=0 level in FeXVII

P. Beiersdorfer, J. R. Crespo López-Urrutia, and E. Träbert
The Astrophysical Journal 817, 67 (2016)

Molecular wave-packet dynamics on laser-controlled transition states

A. Fischer, M. Gärttner, P. Cörlin, A. G. Sperl, M. Schönwald, T. Mizuno, G. Sansone, A. Senftleben, J. Ullrich, B. Feuerstein, T. Pfeifer, and R. Moshammer
Physical Review A 93, 012507 (2016)

Double resonant absorption measurement of acetylene symmetric vibrational states probed with cavity ring down spectroscopy

J. Karhu, J. Nauta, M. Vainio, M. Metsala, S. Hoekstra, and L. Halonen
The Journal of Chemical Physics 144, 244201 (2016)

Frequency metrology using highly charged ions

J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 723, 012052 (2016)

Calculation of fully differential cross sections for the near threshold double ionization of helium atoms

P. Singh, G. Purohit, A. Dorn, X. Ren, and V. Patidar
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 025201 (2015)

Signatures and control of strong-field dynamics in a complex system

K. Meyer, Z. Liu, N. Müller, J.M. Mewes, A. Dreuw, T. Buckup, M. Motzkus, and T. Pfeifer
Proceedings of the National Academy of Sciences of the United States of America 112, 15613-15618 (2015)

Disentangling formation of multiple-core holes in aminophenol molecules exposed to bright X-FEL radiation

V. Zhaunerchyk, M. Kaminska, M. Mucke, R. J. Squibb, J. H. D. Eland, M. N. Piancastelli, L. J. Frasinski, J. Grilj, M. Koch, B. K. McFarland, E. Sistrunk, M. Guehr, R. N. Coffee, C. Bostedt, J. D. Bozek, P. Salen, P. V. D. Meulen, P. Linusson, R. D. Thomas, M. Larsson, L. Foucar, J. Ullrich, K. Motomura, S. Mondal, K. Ueda, R. Richter, K. C. Prince, O. Takahashi, T. Osipov, L. Fang, B. F. Murphy, N. Berrah, and R. Feifel
Journal of Physics B: Atomic, Molecular and Optical Physics 48, 244003 (2015)

Creation and survival of autoionizing states in strong laser fields

L. Fechner, N. Camus, A. Krupp, J. Ullrich, T. Pfeifer, and R. Moshammer
Physical Review A 92, 051403 (2015)

Propensity for distinguishing two free electrons with equal energies in electron-impact ionization of helium

X. Ren, A. Senftleben, T. Pflüger, K. Bartschat, O. Zatsarinny, J. Berakdar, J. Colgan, M. S. Pindzola, I. Bray, D. V. Fursa, and A. Dorn
Physical Review A 92, 052707 (2015)

Deceleration, precooling, and multi-pass stopping of highly charged ions in Be+ Coulomb crystals

L. Schmöger, M. Schwarz, T. M. Baumann, O. Versolato, B. Piest, T. Pfeifer, J. Ullrich, P. O. Schmidt, and J. R. Crespo López-Urrutia
Review of Scientific Instruments 86, 103111 (2015)

Polarization measurement of dielectronic recombination transitions in highly charged krypton ions

C. Shah, H. Jörg, S. Bernitt, S. Dobrodey, R. F. Steinbrügge, C. Beilmann, P. Amaro, Z. Hu, S. Weber, S. Fritzsche, A. Surzhykov, J. R. Crespo López-Urrutia, and S. Tashenov
Physical Review A 92, 042702 (2015)

Time-resolved study of ICD in Ne dimers using FEL radiation

K. Schnorr, A. Senftleben, G. Schmid, S. Augustin, M. Kurka, A. Rudenko, L. Foucar, A. Broska, K. Meyer, D. Anielski, R. Boll, D. Rolles, M. Kuebel, M. F. Kling, Y. H. Jiang, S. Mondal, T. Tachibana, K. Ueda, T. Marchenko, M. Simon, G. Brenner, R. Treusch, S. Scheit, V. Averbukh, J. H. Ullrich, T. Pfeifer, C. D. Schröter, and R. Moshammer
Journal of Electron Spectroscopy and Related Phenomena 204, 245-256 (2015)

Scaling Laws of the Two-Electron Sum-Energy Spectrum in Strong-Field Double Ionization

D. Ye, M. Li, L. Fu, J. Liu, Q. Gong, Y. Liu, and J. H. Ullrich
Physical Review Letters 115, 123001 (2015)

Ultrafast isomerization initiated by X-ray core ionization

C. E. Liekhus-Schmaltz, I. Tenney, T. Osipov, A. Sanchez-Gonzalez, N. Berrah, R. Boll, C. Bomme, C. Bostedt, J. D. Bozek, S. Carron, R. Coffee, J. Devin, B. Erk, K. R. Ferguson, R. W. Field, L. Foucar, L. J. Frasinski, J. M. Glownia, M. Guehr, A. Kamalov, J. Krzywinski, H. Li, J. P. Marangos, T. J. Martinez, B. K. McFarland, S. Miyabe, B. Murphy, A. Natan, D. Rolles, A. Rudenko, M. Siano, E. R. Simpson, L. Spector, M. Swiggers, D. Walke, S. Wang, T. Weber, P. H. Bucksbaum, and V. S. Petrovic
Nature Communications 6, 8199 (2015)

Communication: X-ray coherent diffractive imaging by immersion in nanodroplets

R. M. P. Tanyag, C. Bernando, C. F. Jones, C. Bacellar, K. R. Ferguson, D. Anielski, R. Boll, S. Carron, J. P. Cryan, L. Englert, S. W. Epp, B. Erk, L. Foucar, L. F. Gomez, R. Hartmann, D. M. Neumark, D. Rolles, B. Rudek, A. Rudenko, K. R. Siefermann, J. H. Ullrich, F. Weise, C. Bostedt, O. Gessner, and A. F. Vilesov
Structural Dynamics 2, 051102 (2015)

Strongly aligned gas-phase molecules at free-electron lasers

T. Kierspel, J. Wiese, T. Mullins, J. Robinson, A. Aquila, A. Barty, R. Bean, R. Boll, S. Boutet, P. Bucksbaum, H. N. Chapman, L. Christensen, A. Fry, M. Hunter, J. E. Koglin, M. Liang, V. Mariani, A. Morgan, A. Natan, V. Petrovic, D. Rolles, A. Rudenko, K. Schnorr, H. Stapelfeldt, S. Stern, J. Thogersen, C. H. Yoon, F. Wang, S. Trippel, and J. Kuepper
Journal of Physics B: Atomic, Molecular and Optical Physics 48, 204002 (2015)

Ionization of argon by two-color laser pulses with coherent phase control

D. G. Arbo, C. Lemell, S. Nagele, N. Camus, L. Fechner, A. Krupp, T. Pfeifer, S. D. Lopez, R. Moshammer, and J. Burgdoerfer
Physical Review A 92, 023402 (2015)

Phase reconstruction of strong-field excited systems by transient-absorption spectroscopy

Z. Liu, S. M. Cavaletto, C. Ott, K. Meyer, Y. Mi, Z. Harman, C. H. Keitel, and T. Pfeifer
Physical Review Letters 115, 033003 (2015)

Covariance mapping of two-photon double core hole states in C2H2 and C2H6 produced by an x-ray free electron laser

M. Mucke, V. Zhaunerchyk, L. J. Frasinski, R. J. Squibb, M. Siano, J. H. D. Eland, P. Linusson, P. Salen, P. v d Meulen, R. D. Thomas, M. Larsson, L. Foucar, J. Ullrich, K. Motomura, S. Mondal, K. Ueda, T. Osipov, L. Fang, B. F. Murphy, N. Berrah, C. Bostedt, J. D. Bozek, S. Schorb, M. Messerschmidt, J. M. Glownia, J. P. Cryan, R. N. Coffee, O. Takahashi, S. Wada, M. N. Piancastelli, R. Richter, K. C. Prince, and R. Feifel
New Journal of Physics 17, 073002 (2015)

Dressing Effects in the Attosecond Transient Absorption Spectra of Doubly Excited States in Helium

L. Argenti, A. Jimenez-Galan, C. Marante, C. Ott, T. Pfeifer, and F. Martin
Physical Review A 91, 061403(R) (2015)

Imaging an aligned polyatomic molecule with laser-induced electron diffraction

M. G. Pullen, B. Wolter, A. Le, M. Baudisch, M. Hemmer, A. Senftleben, C. D. Schröter, J. Ullrich, R. Moshammer, C. D. Lin, and J. Biegert
Nature Communications 6, 7262 (2015)

Strong-Field Physics with Mid-IR Fields

B. Wolter, M. G. Pullen, M. Baudisch, M. Sclafani, M. Hemmer, A. Senftleben, C. D. Schröter, J. Ullrich, R. Moshammer, and J. Biegert
Physical Review X 5, 021034 (2015)

Identifications of 5s1/2−5p3/2 and 5s2−5s5p EUV transitions of promethium-like Pt, Ir, Os and Re

H. Bekker, O. O. Versolato, A. Windberger, N. S. Oreshkina, R. Schupp, T. M. Baumann, Z. Harman, C. H. Keitel, P. O. Schmidt, J. Ullrich, and J. Crespo Lopez-Urrutia
Journal of Physics B 48, 144018 (2015)

Interferometric phase detection at x-ray energies via Fano resonance control

K. P. Heeg, C. Ott, D. Schumacher, H. -C. Wille, R. Röhlsberger, T. Pfeifer, and J. Evers
Physical Review Letters 114, 207401 (2015)
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High-resolution (e, 2e + ion) study of electron-impact ionization and fragmentation of methane

X. Ren, T. Pflüger, M. Weyland, W. Y. Baek, H. Rabus, J. Ullrich, and A. Dorn
The Journal of Chemical Physics 142, 174313 (2015)

Electron-impact-induced dissociation of small argon clusters

T. Pflüger, X. Ren, and A. Dorn
Physical Review A 91, 052701 (2015)

Probing calculated O2+ potential-energy curves with an XUV-IR pump-probe experiment

P. Cörlin, A. Fischer, M. Schönwald, A. G. Sperl, T. Mizuno, U. Thumm, T. Pfeifer, and R. Moshammer
Physical Review A 91, 043415 (2015)

Experimental and theoretical study of electron-impact ionization plus excitation of aligned H2

E. Ali, X. Ren, A. Dorn, C. Ning, and D. Madison
Journal of Physics B 48, 115201 (2015)

Linear polarization of x-ray transitions due to dielectronic recombination in highly charged ions

H. Jörg, Z. Hu, H. Bekker, M. Blessenohl, D. Hollain, S. Fritzsche, A. Surzhykov, J. R. Crespo López-Urrutia, and S. Tashenov
Physical Review A 91, 042705 (2015)

Identification of the Predicted 5s−4f Level Crossing Optical Lines with Applications to Metrology and Searches for the Variation of Fundamental Constants

A. Windberger, J. R. Crespo López-Urrutia, H. Bekker, N. S. Oreshkina, J. C. Berengut, V. Bock, A. Borschevsky, V. A. Dzuba, E. Eliav, Z. Harman, U. Kaldor, S. Kaul, U. I. Safronova, V. V. Flambaum, C. H. Keitel, P. O. Schmidt, J. Ullrich, and O. O. Versolato
Physical Review Letters 114, 150801 (2015)

Penning trap mass measurements utilizing highly charged ions as a path to benchmark isospin-symmetry breaking corrections in 74Rb

S. Malbrunot-Ettenauer, T. Brunner, U. Chowdhury, A.T. Gallant, V. V. Simon, M. Brodeur, A. Chaudhuri, E. Mané, M.C. Simon, C. Andreoiu, G. Audi, J. R. Crespo López-Urrutia, P. Delheij, G. Gwinner, A. Lapierre, D. Lunney, M.R. Pearson, R. Ringle, J. Ullrich, and J. Dilling
Physical Review C 91, 045504 (2015)

Kinematically complete study of low-energy electron-impact ionization of neon: Internormalized cross sections in three-dimensional kinematics

X. Ren, S. Amami, O. Zatsarinny, T. Pflüger, M. Weyland, W. Y. Baek, H. Rabus, K. Bartschat, D. Madison, and A. Dorn
Physical Review A 91, 032707 (2015)

Coulomb crystallization of highly charged ions

L. Schmöger, O. Versolato, M. Schwarz, M. Kohnen, A. Windberger, B. Piest, S. Feuchtenbeiner, J. Pedregosa-Gutierrez, T. Leopold, P. Micke, A. K. Hansen, T. M. Baumann, M. Drewsen, J. Ullrich, P. O. Schmidt, and J. R. Crespo López-Urrutia
Science 347, 1233-1236 (2015)

Absolute measurement of radiative and Auger rates of K-shell-vacancy states in highly charged Fe ions

R. F. Steinbrügge, S. Bernitt, S. W. Epp, J. K. Rudolph, C. Beilmann, H. Bekker, S. Eberle, A. Müller, O. Versolato, H.-C. Wille, H. Yavaş, J. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 91, 032502 (2015)

Electron and recoil ion momentum imaging with a magneto-optically trapped target

R. Hubele, M. Schuricke, J. Goullon, H. Lindenblatt, N. Ferreira, A. Laforge, E. Bruehl, V. L. B. de Jesus, D. Globig, A. Kelkar, D. Misra, K. E. Schneider, M. Schulz, M. Sell, Z. Song, X. Wang, S. Zhang, and D. Fischer
Review of Scientific Instruments 86, 033105 (2015)

The TITAN in-trap decay spectroscopy facility at TRIUMF

K.G. Leach, A. Grossheim, A. Lennarz, T. Brunner, J.R. Crespo López-Urrutia, A.T. Gallant, M. Good, A.A. Kwiatkowski, R. Klawitter, T. Ma, T.D. Macdonald, S. Seeraji, M.C. Simon, C. Andreoiu, J. Dilling, and D. Frekers
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 780, 91-99 (2015)

Attosecond XUV absorption spectroscopy of doubly excited states in helium atoms dressed by a time-delayed femtosecond infrared laser

Z. Q. Yang, D. F. Ye d, T. Ding, T. Pfeifer, and L. B. Fu
Physical Review A: Atomic, Molecular, and Optical Physics 91, 013414 (2015)

Target electron ionization in Li2+-Li collisions: A multi-electron perspective

M. D. Spiewanowski, L. Gulyas, M. Horbatsch, J. Goullon, N. Ferreira, R. Hubele, V. L. B. de Jesus, H. Lindenblatt, K. Schneider, M. Schulz, M. Schuricke, Z. Song, S. Zhang, D. Fischer, and T. Kirchner
Institute of Physics Conference Series 601, 012010 (2015)

The electron-impact double ionization of helium: Dynamical variational treatment

A. Dorn and Z.S. Machavariani
GESJ: Physics 13, 26-35 (2015)

In situ characterization of few-cycle laser pulses in transient absorption spectroscopy

A. Blaettermann, C. Ott, A. Kaldun, T. Ding, V. Stooß, M. Laux, M. Rebholz, and T. Pfeifer
Optics Letters 40, 3464-3467 (2015)

Forbidden optical transition in Ti-like Xe, Ba, and Ir

H. Bekker, A. Windberger, O. O. Versolato, M. Binder, R. Klawitter, and J. R. Crespo López-Urrutia
AIP Conference Proceedings 1640, 109 (2015)

Formation of very-low-energy states crossing the ionization threshold of argon atoms in strong mid-infrared fields

B. Wolter, C. Lemell, M. Baudisch, M. G. Pullen, X. Tong, M. Hemmer, A. Senftleben, C. D. Schröter, J. H. Ullrich, R. Moshammer, J. Biegert, and and J. Burgdörfer
Physical Review A 90, 063424 (2014)

Reconstruction and control of a time-dependent two-electron wave packet

C. Ott, A. Kaldun, L. Argenti, P. Raith, K. Meyer, M. Laux, Y. Zhang, A. Blättermann, S. Hagstotz, T. Ding, R. Heck, J. Madroñero, F. Martín, and T. Pfeifer
Nature 516, 374-378 (2014)

Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers

S. Düsterer, M. Rehders, A. Al-Shemmary, C. Behrens, G. Brenner, O. Brovko, M. DellAngela, M. Drescher, B. Faatz, J. Feldhaus, U. Frühling, N. Gerasimova, N. Gerken, C. Gerth, T. Golz, A. Grebentsov, E. Hass, K. Honkavaara, V. Kocharian, M. Kurka, T.. Limberg, R. Mitzner, R. Moshammer, E. Plönjes, M. Richter, J. Rönsch-Schulenburg, A. Rudenko, H. Schlarb, B. Schmidt, A. Senftleben, E. A. Schneidmiller, B. Siemer, F. Sorgenfrei, A. A. Sorokin, N. Stojanovic, K. Tiedtke, R. Treusch, M. Vogt, M. Wieland, W. Wurth, S. Wesch, M. Yan, M. V. Yurkov, H. Zacharias, and S. Schreiber
Physical Review Special Topics-Accelerators and Beams 17, 120702 (2014)

Contributions of dielectronic, trielectronic, and metastable channels to the resonant intershell recombination of highly charged silicon ions

T. M. Baumann, Z. Harman, J. Stark, C. Beilmann, G. Liang, P. Mokler, J. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 90, 052704 (2014)

Electron-loss-to-continuum cusp in U88+ +N2 collisions

P.-M. Hillenbrand, S. Hagmann, A. Voitkiv, B. Najjari, D. Banaś, K.-H. Blumenhagen, C. Brandau, W. Chen, E. D. Filippo, A. Gumberidze, D. L. Guo, C. Kozhuharov, M. Lestinsky, Y. A. Litvinov, A. Müller, H. Rothard, S. Schippers, M. S. Schöffler, U. Spillmann, S. Trotsenko, X. L. Zhu, and T.. Stöhlker
Physical Review A 90, 042713 (2014)

Kinematically complete measurements of strong field ionization with mid-IR pulses

M. G Pullen, J. Dura, B. Wolter, M. Baudisch, M. Hemmer, N. Camus, A. Senftleben, C. D. Schröter, R. Moshammer, J. H. Ullrich, and J. Biegert
Journal of Physics B: Atomic, Molecular and Optical Physics 47, 204010 (2014)

An (e, 2e + ion) study of low-energy electron-impact ionization and fragmentation of tetrahydrofuran with high mass and energy resolutions

X. G. Ren, T. Pflüger, M. Weyland, W. Y. Baek, H. Rabus, J. Ullrich, and A. Dorn
The Journal of Chemical Physics 141, 134314 (2014)

Chemical reaction dynamics I and electron dynamics in molecules: general discussion

O. Vendrell, J. Küpper, M. Wolf, H. Chapman, M. Chergui, K. Reid, K. von Haeften, R. Moshammer, G. Williams, A. Tehlar, G. Dixit, H. J. Wörner, J. Underwood, J. Marangos, M. Woerner, C. Bressler, M. Minitti, A. Kirrander, C. Vozzi, and D. Rolles
Faraday Discussions 171, 145-168 (2014)

Transition energy measurements in hydrogenlike and heliumlike ions strongly supporting bound-state QED calculations

K. Kubicek, P. H. Mokler, V. Mäckel, J. Ullrich, and J. R. Crespo López-Urrutia
Physical Review A 90, 032508 (2014)

Generation of high-frequency combs locked to atomic resonances by quantum phase modulation

Z. Liu, C. Ott, S. M. Cavaletto, Z. Harman, C. H. Keitel, and T. Pfeifer
New Journal of Physics 16, 093005 (2014)

Shapes and vorticities of superfluid helium nanodroplets

L. F. Gomez, K. R. Ferguson, J. P. Cryan, C. Bacellar, R. M. P. Tanyag, C. Jones, S. Schorb, D. Anielski, A. Belkacem, C. Bernando, R. Boll, J. Bozek, S. Carron, G. Chen, T. Delmas, L. Englert, S. Epp, B. Erk, L. Foucar, R. Hartmann, A. Hexemer, M. Huth, J. Kwok, S. R. Leone, J. H. S. Ma, F. R. N. C. Maia, E. Malmerberg, S. Marchesini, D. M. Neumark, B. Poon, J. Prell, D. Rolles, B. Rudek, A. Rudenko, M. Seifrid, K. R. Siefermann, F. P. Sturm, M. Swiggers, J. Ullrich, F. Weise, P. Zwart, C. Bostedt, O. Gessner, and A. F. Vilesov
Science 345, 906-909 (2014)

In-Trap Spectroscopy of Charge-Bred Radioactive Ions

A. Lennarz, A. Grossheim, K. G. Leach, M. Alanssari, T. Brunner, A. Chaudhuri, U. Chowdhury, J.R. Crespo López-Urrutia, A. T. Gallant, M. Holl, A. A. Kwiatkowski, J. Lassen, T. D. Macdonald, B. E. Schultz, S. Seeraji, M. C. Simon, C. Andreoiu, J. Dilling, and D. Frekers
Physical Review Letters 113, 082502 (2014)

Electron Rearrangement Dynamics in Dissociating In+2 Molecules Accessed by Extreme Ultraviolet Pump-Probe Experiments

K. Schnorr, A. Senftleben, M. Kurka, A. Rudenko, G. Schmid, T. Pfeifer, K. Meyer, M. Kübel, M. F. Kling, Y. H. Jiang, R. Treusch, S. Düsterer, B. Siemer, M. Wöstmann, H. Zacharias, R. Mitzner, T. J. M. Zouros, J. Ullrich, C. D. Schröter, and R. Moshammer
Physical Review Letters 113, 073001 (2014)

Interference in dielectronic transitions in H+2+He collisions

S. Zhang, X. Ma, and A. B. Voitkiv
Physical Review A 90, 022706 (2014)

Novel method for state selective determination of electron-impact-excitation cross sections from 0° to 180°

M. Weyland, X. Ren, T. Pflüger, W. Y. Baek, K. Bartschat, O. Zatsarinny, D. V Fursa, I. Bray, H. Rabus, and A. Dorn
EPJ - Technics and Instrumentation 1, 6 (2014)

Imaging molecular structure through femtosecond photoelectron diffraction on aligned and oriented gas-phase molecules

R. Boll, A. Rouzée, M. Adolph, D. Anielski, A. Aquila, S. Bari, C. Bomme, C. Bostedt, J. D. Bozek, H. N. Chapman, L. Christensen, R. Coffee, N. Coppola, S. De, P. Decleva, S. W. Epp, B. Erk, F. Filsinger, L. Foucar, T. Gorkhover, L. Gumprecht, A. Hömke, L. Holmegaard, P. Johnsson, J. S. Kienitz, T. Kierspel, F. Krasniqi, K. Kühnel, J. Maurer, M. Messerschmidt, R. Moshammer, N. L. M. Müller, B. Rudek, E. Savelyev, I. Schlichting, C. Schmidt, F. Scholz, S. Schorb, J. Schulz, J. Seltmann, M. Stener, S. Stern, S. Techert, J. Thøgersen, S. Trippel, J. Viefhaus, M. Vrakking, H. Stapelfeldt, J. Küpper, J. Ullrich, A. Rudenko, ... and D. Rolles
Faraday Discussions 171, 57-80 (2014)

Strong-field control of the dissociative ionization of N2O with near-single-cycle pulses

M. Kübel, A. S. Alnaser, B. Bergues, T. Pischke, J. Schmidt, Y. Deng, C. Jendrzejewski, J. Ullrich, G.G. Paulus, A.M. Azzeer, U. Kleineberg, R. Moshammer, and M. F. Kling
New Journal of Physics 16, 065017 (2014)

Two-dimensional spectral interpretation of time-dependent absorption near laser-coupled resonances

A. Blättermann, C. Ott, A. Kaldun, T. Ding, and T. Pfeifer
Journal of Physics B 47, 124008 (2014)

Femtosecond x-ray photoelectron diffraction on gas-phase dibromobenzene molecules

D. Rolles, R Boll, M Adolph, A Aquila, C Bostedt, J D Bozek, H N Chapman, R Coffee, N Coppola, P Decleva, T Delmas, S. W. Epp, B Erk, F. Filsinger, L Foucar, L Gumprecht, A Hömke, T Gorkhover, L Holmegaard, P Johnsson, C. Kaiser, F Krasniqi, K. Kühnel, J Maurer, M Messerschmidt, R. Moshammer, W. Quevedo, I. Rajkovic, A Rouzée, B Rudek, I. Schlichting, C Schmidt, S Schorb, C D Schröter, J Schulz, H Stapelfeldt, M Stener, S Stern, S. Techert, J Thøgersen, M J J Vrakking, A Rudenko, J. Küpper, and J Ullrich
Journal of Physics B 47, 124035 (2014)

Broadband high-resolution X-ray frequency combs

S. M. Cavaletto, Z. Harman, C. Ott, C. Buth, T. Pfeifer, and C. H. Keitel
Nature Photonics 8, 520-523 (2014)
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Strong-Field Tunneling from a Coherent Superposition of Electronic States

L. Fechner, N. Camus, J. Ullrich, T. Pfeifer, and R. Moshammer
Physical Review Letters 112, 213001 (2014)

Absolute cross sections for photoionization of Xeq+ ions (1 ≤ q ≤ 5) at the 3d ionization threshold

S. Schippers, S. Ricz, T. Buhr, A. Borovik Jr, J. Hellhund, K. Holste, K. Huber, H.-J. Schäfer, D. Schury, S. Klumpp, K. Mertens, M. Martins, R. Flesch, G. Ulrich, E. Rühl, T. Jahnke, J. Lower, D. Metz, L. P. H. Schmidt, M. Schöffler, J. B. Williams, L. Glaser, F. Scholz, J. Seltmann, J. Viefhaus, A. Dorn, A. Wolf, J. Ullrich, and A. Müller
Journal of Physics B 47, 115602 (2014)

Femtosecond laser induced ionization and dissociation of gas-phase protonated leucine enkephalin

G. Reitsma, O. Gonzalez-Magaña, O. Versolato, M. Door, R. Hoekstra, E. Suraud, B. Fischer, N. Camus, M. Kremer, R. Moshammer, and T. Schlathölter
International Journal of Mass Spectrometry 365-366, 365-371 (2014)

Subfemtosecond steering of hydrocarbon deprotonation through superposition of vibrational modes

A. S. Alnaser, M. Kübel, R. Siemering, B. Bergues, N. G. Kling, K. Betsch, Y. Deng, J. Schmidt, Z. A. Alahmed, A. M. Azzeer, J. Ullrich, I. Ben-Itzhak, R. Moshammer, U. Kleineberg, F. Krausz, R. de Vivie-Riedle, and M. F. Kling
Nature Communications 5, 3800 (2014)

Mutual ionization in atomic collisions near the electronic threshold

S. F. Zhang, X. L. Zhu, A. B. Voitkiv, W. T. Feng, D. L. Guo, Y. Gao, R. T. Zhang, E. L. Wang, and X. Ma
Journal of Physics B: Atomic, Molecular and Optical Physics 47, 105202 (2014)

Multielectron effects in strong-field dissociative ionization of molecules

X. Gong, M. Kunitski, K. J. Betsch, Q. Song, L. P.. H. Schmidt, T. Jahnke, N. G. Kling, O. Herrwerth, B. Bergues, A. Senftleben, J. Ullrich, R. Moshammer, G. G. Paulus, I. Ben-Itzhak, M. Lezius, M. F. Kling, H. Zeng, R. R. Jones, and J. Wu
Physical Review A 89, 043429 (2014)

Multiple ionization and fragmentation dynamics of molecular iodine studied in IR-XUV pump-probe experiments

K. Schnorr, A. Senftleben, G. Schmid, A. Rudenko, M. Kurka, K. Meyer, L. Foucar, M. Kübel, M. F. Kling, Y. H. Jiang, S. Düsterer, R. Treusch, C. D. Schröter, J. H. Ullrich, T. Pfeifer, and R. Moshammer
Faraday Discussions 171, 41-56 (2014)

Photoionization of clusters in intense few-cycle near infrared femtosecond pulses

S. R. Krishnan, R. Gopal, R. Rajeev, J. Jha, V. Sharma, M. Mudrich, R. Moshammer, and M. Krishnamurthy
Physical Chemistry Chemical Physics, 8721-8730 (2014)

Reply to “Comment on ‘Dynamics of transfer ionization in fast ion-atom collisions’ ”

A.B. Voitkiv and X. Ma
Physical Review A 89, 036702 (2014)

Relativistic Transfer Ionization and the Breit Interaction

O. Y.. Andreev, E. A. Mistonova, and A. B. Voitkiv
Physical Review Letters 112, 103202 (2014)

Extracting Phase and Amplitude Modifications of Laser-Coupled Fano Resonances

A. Kaldun, C. Ott, A. Blättermann, M. Laux, K. Meyer, T. Ding, A. Fischer, and T. Pfeifer
Physical Review Letters 112, 103001 (2014)

Efficient rotational cooling of Coulomb-crystallized molecular ions by a helium buffer gas

A. K. Hansen, O. Versolato, Ł. Kłosowski, S. B. Kristensen, A. Gingell, M. Schwarz, A. Windberger, J. Ullrich, J.R. Crespo López-Urrutia, and M. Drewsen
Nature 508, 76-79 (2014)

Non-sequential double ionization of ar: from the single- to the many-cycle regime

M. Kübel, K. Betsch, N. G. Kling, A.S. Alnaser, J. Schmidt, U. Kleineberg, Y. Deng, I. Ben-Itzhak, G.G. Paulus, T. Pfeifer, J. H. Ullrich, R. Moshammer, M. F. Kling, and B. Bergues
New Journal of Physics 16, 033008 (2014)

X-ray diffraction from isolated and strongly aligned gas-phase molecules with a free-electron laser

J. Küpper, S. Stern, L. Holmegaard, F. Filsinger, A. Rouzée, A. Rudenko, P. Johnsson, A. V. Martin, M. Adolph, A. Aquila, S. Bajt, A. Barty, C. Bostedt, J. Bozek, C. Caleman, R. Coffee, N. Coppola, T. Delmas, S. Epp, B. Erk, L. Foucar, T. Gorkhover, L. Gumprecht, A. Hartmann, R. Hartmann, G. Hauser, P. Holl, A. Hömke, N. Kimmel, F. Krasniqi, K. Kühnel, J. Maurer, M. Messerschmidt, R. Moshammer, C. Reich, B. Rudek, R. Santra, I. Schlichting, C. Schmidt, S. Schorb, J. Schulz, H. Soltau, J. C. H. Spence, D. Starodub, L. Strüder, J. Thøgersen, M. J. J. Vrakking, G. Weidenspointner, T. A. White, C. Wunderer, G. Meijer, ... and H. N. Chapman
Physical Review Letters 112, 083002 (2014)

What will it take to observe processes in 'real time'?

S. R. Leone, C. W. McCurdy, J. Burgdörfer, L. S. Cederbaum, Z. Chang, N. Dudovich, J. Feist, C. H. Greene, M. Ivanov, R. Kienberger, U. Keller, M. F. Kling, Z. Loh, T. Pfeifer, A. N. Pfeiffer, R. Santra, K. Schafer, A. Stolow, U. Thumm, and M. J. J. Vrakking
Nature Photonics 8, 162-166 (2014)

Two-Center Interferences in Dielectronic Transitions in H+2 + He Collisions

S. Zhang, D. Fischer, M. Schulz, A. B. Voitkiv, A. Senftleben, A. Dorn, J. Ullrich, X. Ma, and R. Moshammer
Physical Review Letters 112, 023201 (2014)

Attosecond-correlated dynamics of two electrons in argon

V. Sharma, N. Camus, B. Fischer, M. Kremer, A. Rudenko, B. Bergues, M. Kübel, N. G. Johnson, M. F. Kling, T. Pfeifer, J. Ullrich, and R. Moshammer
Pramana-Journal of Physics 82, 79-85 (2014)

Strong-Field Double Ionization through Sequential Release from Double Excitation with Subsequent Coulomb Scattering

Y. Liu, L. Fu, D. Ye, J. Liu, M. Li, C. Wu, Q. Gong, R. Moshammer, and J. H. Ullrich
Physical Review Letters 112, 013003 (2014)

Ra+ ion trapping: toward an atomic parity violation measurement and an optical clock

M. N. Portela, E. A. Dijck, A. Mohanty, H. Bekker, J. E. van den Berg, G. S. Giri, S. Hoekstra, C. J. G. Onderwater, S. Schlesser, R. G. E. Timmermans, O. Versolato, L. Willmann, H. W. Wilschut, and K. Jungmann
Applied Physics B: Lasers and Optics 114, 173-182 (2014)

Measurement of the autoionization lifetime of the energetically lowest doubly excited Q11Σ+u state in H2 using electron ejection asymmetry

A. Fischer, A. G. Sperl, P. Cörlin, M. Schönwald, S. Meuren, J. Ullrich, T. Pfeifer, R. Moshammer, and A. Senftleben
Journal of Physics B: Atomic, Molecular and Optical Physics 47, 021001 (2013)

Time-domain pulse compression by interfering time-delay operations

Y. Mi, A. Kaldun, K. Meyer, and T. Pfeifer
Physical Review A 88, 053824 (2013)

Carrier-envelope phase- and spectral control of fractional high-harmonic combs

P. Raith, C. Ott, K. Meyer, A. Kaldun, M. Laux, M. Ceci, C. P. Anderson c, and T. Pfeifer
Journal of Applied Physcis 114, 173102 (2013)

Time-Resolved Measurement of Interatomic Coulombic Decay in Ne2

K. Schnorr, A. Senftleben, M. Kurka, A. Rudenko, L. Foucar, G. Schmid, A. Broska, T. Pfeifer, K. Meyer, D. Anielski, R. Boll, D. Rolles, M. Kübel, M. F. Kling, Y. H. Jiang, S. Mondal, T. Tachibana, K. Ueda, T. Marchenko, M. Simon, G. Brenner, R. Treusch, S. Scheit, V. Averbukh, J. Ullrich, C. D. Schröter, and R. Moshammer
Physical Review Letters 111, 093402 (2013)

Nonsequential double ionization of N2 in a near-single-cycle laser pulse

M. Kübel, N. G. Kling, K. J. Betsch, N. Camus, A. Kaldun, U. Kleineberg, I. Ben-Itzhak, R. R. Jones, G. G. Paulus, T. Pfeifer, J. Ullrich, R. Moshammer, M. F. Kling, and B. Bergues
Physical Review A 88, 023418 (2013)

Understanding the role of phase in chemical bond breaking with coincidence angular streaking

J. Wu, M. Magrakvelidze, L.P.H. Schmidt, M. Kunitski, T. Pfeifer, M. Schöffler, M. Pitzer, M. Richter, S. Voss, H. Sann, H. Kim, J. Lower, T. Jahnke, A. Czasch, U. Thumm, and R. Dörner
Nature Communications 4, 2177, 1-6 (2013)

Strong-field spectral interferometry using the carrier-envelope phase

C. Ott, M. Schönwald, P. Raith, A. Kaldun, G. Sansone, M. Krüger, P. Hommelhoff, Y. Patil, Y. Zhang, K. Meyer, M. Laux, and T. Pfeifer
New Journal of Physics 15, 073031 (2013)

Two-Dimensional Spectral Interferometry using the Carrier-Envelope Phase

C. Ott, M. Schönwald, P. Raith, A. Kaldun, Y. Zhang, K. Meyer, and T. Pfeifer
New Journal of Physics 15, 073031 (2013)

Electron Localization Involving Doubly Excited States in Broadband Extreme Ultraviolet Ionization of H2

A. Fischer, A. G. Sperl, P. Cörlin, M. Schönwald, H. Rietz, A. Palacios, A. González-Castrillo, F. Martín, T. Pfeifer, J. Ullrich, A. Senftleben, and R. Moshammer
Physical Review Letters 110, 213002, 1-5 (2013)

Lorentz meets Fano spectral line shapes: A universal phase and its laser control

C. Ott, A. Kaldun, P. Raith, K. Meyer, M. Laux, J. Evers, C. H. Keitel, C. H. Greene, and T. Pfeifer
Science 340, 716-720 (2013)
 MPIK-Pressemitteilung: Die Spur der Zeit im optischen Spektrum
 MPG-Pressemitteilung: Die Spur der Zeit im optischen Spektrum

Surface plasmon assisted electron acceleration in photoemission from gold nanopillars

P. M. Nagel, J. S. Robinson, B. D. Harteneck, T. Pfeifer, M. J. Abel, J. S. Prell, D. M. Neumark, R. A. Kaindl, and S. R. Leone
Chemical Physics 414, 106-111 (2013)

Passively phase-stable, monolithic, all-reflective two-dimensional electronic spectroscopy based on a four-quadrant mirror

Y. Zhang, K. Meyer, C. Ott, and T. Pfeifer
Optics Letters 38, 356-358 (2013)

Evolution of dopant-induced helium nanoplasmas

S. R. Krishnan, C.. Peltz, L. Fechner, V. Sharma, M. Kremer, B. Fischer, N. Camus, T. Pfeifer, J. Jha, M. Krishnamurthy, C. D. Schröter, J. Ullrich, F. Stienkemeier, R. Moshammer, T.. Fennel, and M. Mudrich
New Journal of Physics 14, 075016 (2012)

Attosecond tracing of correlated electron-emission in non-sequential double ionization

B. Bergues, M. Kübel, N. G. Johnson, B. Fischer, N. Camus, K. J. Betsch, O. Herrwerth, A. Senftleben, A. M. Sayler, T. Rathje, T. Pfeifer, I. Ben-Itzhak, R. R. Jones, G. G. Paulus, F. Krausz, R. Moshammer, J. Ullrich, and M. F. Kling
Nature Communications 3, 813, 1-6 (2012)

Fractional high-order harmonic combs and energy tuning by attosecond-precision split-spectrum pulse control

P. Raith, C. Ott, C. P. Anderson, A. Kaldun, K. Meyer, M. Laux, Y. Zhang, and T. Pfeifer
Applied Physics Letters 100, 121104, 1-5 (2012)

Noisy Optical Pulses Enhance the Temporal Resolution of Pump-Probe Spectroscopy

K. Meyer, C. Ott, P. Raith, A. Kaldun, Y. Jiang, A. Senftleben, M. Kurka, R. Moshammer, J. Ullrich, and T. Pfeifer
Physical Review Letters 108, 098302, 1-5 (2012)

Attosecond Correlated Dynamics of Two Electrons Passing through a Transition State

N. Camus, B. Fischer, M. Kremer, V. Sharma, A. Rudenko, B. Bergues, M. Kübel, N. G. Johnson, M. F. Kling, T. Pfeifer, J. Ullrich, and R. Moshammer
Physical Review Letters 108, 073003, 1-5 (2012)

Electron Correlation in Real Time

G. Sansone, T. Pfeifer, K. Simeonidis, and A. I. Kuleff
ChemPhysChem 13, 661-680 (2011)

Attosecond twin-pulse control by generalized kinetic heterodyne mixing

P. Raith, C. Ott, and T. Pfeifer
Optics Letters 36, 283-285 (2011)

Theory of attosecond transient absorption spectroscopy of strong-field-generated ions

R. Santra, V. S. Yakovlev, T. Pfeifer, and Z. Loh
Physical Review A 83, 033405 (2011)

Dopant-Induced Ignition of Helium Nanodroplets in Intense Few-Cycle Laser Pulses

S. R. Krishnan, L. Fechner, M. Kremer, V. Sharma, B. Fischer, N. Camus, J. Jha, M. Krishnamurthy, T. Pfeifer, R. Moshammer, J. H. Ullrich, F. Stienkemeier, M. Mudrich, A. Mikaberidze, U. Saalmann, and J. -M. Rost
Physical Review Letters 107, 173402 (2011)

Minimizing dispersive distortions in carrier-envelope phase sweeping with glass wedges

M. Kremer, C. Hofrichter, B. Fischer, V. Sharma, N. Camus, T. Pfeifer, R. Moshammer, and J. H. Ullrich
Optics Letters 36, 1455-1457 (2011)

Second-order autocorrelation of XUV FEL pulses via time resolved two-photon single ionization of He

R. Moshammer, T. Pfeifer, A. Rudenko, Y. H. Jiang, L. Foucar, M. Kurka, K. U. Kuehnel, C. D. Schröter, J. H. Ullrich, O. Herrwerth, M. F. Kling, X. -J. Liu, K. Motomura, H. Fukuzawa, A. Yamada, K. Ueda, K. L. Ishikawa, K. Nagaya, H. Iwayama, A. Sugishima, Y. Mizoguchi, S. Yase, M. Yao, N. Saito, A. Belkacem, M. Nagasono, A. Higashiya, M. Yabashi, T. Ishikawa, H. Ohashi, H. Kimura, and T. Togashi
Optics Express 19, 21698-21706 (2011)

Steering the Electron in H2+ by Nuclear Wave Packet Dynamics

B. Fischer, M. Kremer, T. Pfeifer, V. Sharma, B. Feuerstein, U. Thumm, C. D. Schröter, R. Moshammer, and J. Ullrich
Physical Review Letters 105, 223001, 1-4 (2010)

High Harmonic Generation Via Continuum Wave-Packet Interference

M. Kohler, C. Ott, P. Raith, R. Heck, I. Schlegel, C. H. Keitel, and T. Pfeifer
Physical Review Letters 105, 203902, 1-4 (2010)

Sub-cycle strong-field interferometry

C. Ott, P. Raith, and T. Pfeifer
Optics Express 18, 24307-24315 (2010)

Temporal coherence effects in multiple ionization of N-2 via XUV pump-probe autocorrelation

Y. H. Jiang, T. Pfeifer, A. Rudenko, O. Herrwerth, L. Foucar, M. Kurka, K. U. Kühnel, M. Lezius, M. F. Kling, X. Liu, K. Ueda, S. Düsterer, R. Treusch, C. D. Schröter, R. Moshammer, and J. Ullrich
Physical Review A 82, 041403 (2010)

Partial-coherence method to model experimental free-electron laser pulse statistics

T. Pfeifer, Y. H. Jiang, S. Düsterer, R. Moshammer, and J. Ullrich
Optics Letters 35, 3441-3443 (2010)

Real-time observation of valence electron motion

Z.-H. Loh, E. Goulielmakis, A. With, R. Santra, N. Rohringer, V. S. Yakovlev, S. Zherebtsov, T. Pfeifer, A. M. Azzeer, M. F. Kling, S. R. Leone, and F. Krausz
Nature 466, 739-743 (2010)

Attosecond optics : Easing attosecond generation

T. Pfeifer
Nature Photonics 4, 417-418 (2010)

Enhancing the brilliance of high-harmonic generation

R. Spitzenpfeil, S. Eyring, C. Kern, C. Ott, J. Lohbreier, J. Henneberger, N. Franke, S. Jung, D. Walter, M. Weger, C. Winterfeldt, T. Pfeifer, and C. Spielmann
Applied Physics A 96, 69-81 (2009)