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Conference Papers

Experimental Evidence for Wigner's 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
Journal of Physics Conference Series 999, 012004 (2018)

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

C. Shah, S. Dobrodey, S. Bernitt, R. F. Steinbrügge, L. Gu, J. Kaastra, and J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 875, 052039 (2017)

Higher-order contribution in the resonance recombination of electron-ion interaction

G. Y. Liang, J. R. Crespo López-Urrutia, C. Beilmann, H.G. Wei, and G. Zhao
Journal of Physics: Conference Series 875, 052049 (2017)

Strong higher-order resonant contribution to Fe Kα x-ray line polarization in hot anisotropic plasmas

C. Shah, P. Amaro, R. F. Steinbrügge, S. Bernitt, S. Fritzsche, A. Surzhyko, J. R. Crespo López-Urrutia, and S. Tashenov
Journal of Physics: Conference Series 875, 052038 (2017)

Recent Developments at the High-Precision Mass Spectrometer PENTATRAP

R. Schüssler, M. Door, A. Rischka, H. Bekker, J. R. Crespo López-Urrutia, P. Filianin, S. Eliseev, Y. N. Novikov, S. Sturm, S. Ulmer, and K. Blaum
JPS conference proceedings 18, 011020 (2017)

Low-Background In-Trap Decay Spectroscopy with TITAN at TRIUMF

K. G. Leach, A. Lennarz, A. Grossheim, R. Klawitter, T. Brunner, A. Chaudhuri, U. Chowdhury, J. R. Crespo López-Urrutia, A. T. Gallant, A. A. Kwiatkowski, T. D. Macdonald, B. E. Schultz, S. Seeraji, C. Andreoiu, D. Frekers, and J. Dilling
JPS Conference Proceedings 6, 020040 (2015)

Momentum imaging of dissociative electron attachment in biologically relevant molecules

M. Weyland, X. Ren, T. Pflueger, A. Dorn, W. Y. Baek, and H. Rabus
Journal of Physics Conference Series 635, 072013 (2015)

Triply Differential Measurements for Positron Impact Ionization of Argon

D. W. Mueller, E. J. Knudsen, R. Boadle, S. Armitage, A. Dorn, S. J. Buckman, and J. P. Sullivan
Journal of Physics: Conference Series 635, 052068 (2015)

Calculation of FDCS for the low and intermediate energy electron impact ionization of water molecules

G. Purohit, P. Singh, A. Dorn, and V. Patidar
Journal of Physics: Conference Series 635, UNSP 012031 (2015)

Fano Resonances in the Time Domain

A. Kaldun, C. Ott, V. Stooß, A. Fischer, A. Blättermann, T. Ding, P. Raith, K. Meyer, M. Laux, J. Evers, C. H. Keitel, C. H. Greene, and T. Pfeifer
Journal of Physics: Conference Series 635, 092079 (2015)

Ionization atoms and molecules in a strong two-color field

Y. Mi, N. Camus, M. Laux, L. Fechner, R. Moshammer, and T. Pfeifer
Journal of Physics: Conference Series 635, 092093 (2015)

Low-energy (E-0=65 eV) electron-impact ionization of neon: Internormalized triple-differentical cross sections in 3D kinematics

X. Ren, S. Amami, O. Zatsarinny, T. Pflüger, M. Weyland, W. Y. Baek, H. Rabus, K. Bartschat, D. Madison, and A. Dorn
Journal of Physics: Conference Series 635, 052021 (2015)

Complete measurements of anisotropic x-ray emission following recombination of highly charged ions

C. Shah, P. Amaro, R. F. Steinbrügge, C. Beilmann, S. Bernitt, S. Fritzsche, A. Surzhykov, J. R. Crespo López-Urrutia, and S. Tashenov
Journal of Physics: Conference Series 635, 052092 (2015)

Towards electron-impact dissociation dynamics of biologically relevant molecules in a reaction microscope

T. Pflüger, X. Ren, M. Weyland, W. Baek, H. Rabus, and A. Dorn
Journal of Physics: Conference Series 635, 072012 (2015)

Polyatomic molecular structure retrieval using laser-induced electron diffraction

M. G. Pullen, B. Wolter, A. -T. Le, M. Baudisch, M. Hemmer, A. Senftleben, M. Sclafani, C. D. Schroter, J. Ullrich, R. Moshammer, C. -D. Lin, and J. Biegert
Journal of Physics: Conference Series 635, 072051 (2015)

Signatures of Interatomic-Coulombic-Decay in electron-impact ionization of argon dimers

T. Pflüger, X. Ren, and A. Dorn
Journal of Physics: Conference Series 635, 072011 (2015)

Control of strong-field ionization with two-color laser pulses

N. Camus, L. Fechner, D. G. Arbo, C. Lemell, S. Nagele, J. Ullrich, T. Pfeifer, S. D. Lopez, J. Burgdoerfer, and R. Moshammer
Journal of Physics: Conference Series 635, 092122 (2015)

Origins of Very-Low and Zero-Energy Electron Structures in Strong-Field Ionization with Intense Mid-IR Pulses

B. Wolter, C. Lemell, M. Baudisch, M. G. Pullen, X. -M. Tong, M. Hemmer, A. Senftleben, M. Sclafani, C. D. Schroter, J. Ullrich, R. Moshammer, J. Burgdoerfer, and J. Biegert
Journal of Physics: Conference Series 635, 052055 (2015)

Experimental evidence for two decay channels in electron impact ionization and fragmentation of argon dimer

E. J. Al Maalouf, X. Ren, A. Dorn, and S. Denifl
Journal of Physics: Conference Series 635, 072062 (2015)

Linear polarization of x rays due to dielectronic recombination into highly charged ions

C. Shah, H. Joerg, Z. Hu, S. Bernitt, H. Bekker, M. Blessenohl, D. Hollain, S. Weber, S. Dobrodey, S. Fritzsche, A. Surzhykov, J. R. Crespo López-Urrutia, and S. Tashenov
Journal of Physics: Conference Series 635, 052091 (2015)

High resolution (e, 2e+ion) study of low-energy electron-impact ionization and fragmentation of tetrahydrofuran

X. Ren, T. Pflüger, M. Weyland, W. Y. Baek, H. Rabus, J. Ullrich, and A. Dorn
Journal of Physics: Conference Series 635, 072008 (2015)

Probing O+2 potential curves with an XUV IR pump probe experiment

P. Cörlin, A. Fischer, M. Schönwald, A. Sperl, T. Mizuno, U. Thumm, T. Pfeifer, and R. Moshammer
Journal of Physics Conference Series 635, 112060 (2015)

Designing a COLTRIMS Reaction-Microscope for multi-hit coincident measurements with the SQS instrument at European XFEL

G. Kastirke, A. Hartung, L. P. H. Schmidt, T. Jahnke, M. S. Schoeffler, R. Moshammer, M. Meyer, and R. Doerner
Journal of Physics: Conference Series 635, 112082 (2015)

The cryogenic storage ring CSR for collision experiments with state-controlled and phase-space cooled molecular ion beams

A. Becker, K. Blaum, C. Breitenfeldt, F. Fellenberger, S. George, J. Göck, M. Grieser, F. Grussie, R. von Hahn, P. Herwig, J. Karthein, C. Krantz, H. Kreckel, S. Kumar, M. Lange, S. Lohmann, C. Meyer, P. M. Mishra, O. Novotny, A. O'Connor, R. Repnow, S. Schippers, C. D. Schröter, K. Spruck, D. Schwalm, L. Schweikard, X. Urbain, S. C. Vogel, and A. Wolf
Journal of Physics: Conference Series 635 (2015)

Optical transitions at the 5s-4f level crossing with high sensitivity to a time variation of the fine structure constant alpha

A. Windberger, P. O. Schmidt, and J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 635, 092145 (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
Journal of Physics: Conference Series 635, 092015 (2015)

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

X. Wang, X. Ren, and A. Dorn
Journal of Physics: Conference Series 635, 072022 (2015)

Molecular alignment resolved (e,2e) cross sections for H2 at 38 eV impact energy

K. Hossen, A. Dorn, and X. Ren
Journal of Physics: Conference Series 635, 072080 (2015)

Calculation of FDCS for the low and intermediate energy electron impact ionization of water molecules

G. Purohit, P. Singh, A. Dorn, and V. Patidar
Journal of Physics Conference Series 635, 072033 (2015)

Diffraction effects in the Recoil-Frame Photoelectron Angular Distributions of Halomethanes

C. Bomme, D. Anielski, E. Savelyev, R. Boll, B. Erk, S. Bari, J. Viefhaus, M. Stener, P. Decleva, and D. Rolles
Journal of Physics: Conference Series 635, 112020 (2015)

Absolute radiative and Auger transition rates of K-shell excited few-electron iron ions

R. F. Steinbrügge, S. Bernitt, J. K. Rudolph, and J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 635, 092146 (2015)

Coulomb crystallization of highly charged ions

L. Schmoeger, O. Versolato, M. Schwarz, M. Kohnen, A. Windberger, B. Piest, S. Feuchtenbeiner, J. Pedregosa, T. Leopold, P. Micke, A. K. Hansen, T. M. Baumann, M. Drewsen, J. Ullrich, P. O. Schmidt, and J. R. Crespo López-Urrutia
Journal of Physics: Conference Series 635, 022059 (2015)

Ion-Li collision dynamics studied with a MOTReMi

J. Goullon, R. Hubele, A. LaForge, M. Schulz, X. Wang, B. Najjari, N. Ferreira, M. Grieser, V. L. B. de Jesus, R. Moshammer, A. Voitkiv, and D. Fischer
Journal of Physics: Conference Series 488, 082004 (2014)

Measurement of the angular distribution of Dielectronic Recombination into highly charged Krypton ions

P. Amaro, C. Shah, S. Tashenov, C. Beilmann, S. Bernitt, J. R. Crespo López-Urrutia, S. Fritzsche, O. Kovtun, J. K. Rudolph, R. F. Steinbrügge, and A. Surzhykov
Journal of Physics: Conference Series 488, 062030 (2014)

Temporal resolution in pump–probe experiments enhanced by noisy pulses

K. Meyer, C. Ott, P. Raith, A. Kaldun, Y. Jiang, A. Senftleben, M. Kurka, R. Moshammer, J. H. Ullrich, and T. Pfeifer
Journal of Physics: Conference Series 488, 032037 (2014)

Lifetime Measurement of the First Vibrationally Excited State of MgH+ in a Cryogenic Paul Trap (CryPTEx)

O. Versolato, M. Schwarz, A. K. Hansen, A. D. Gingell, A. Windberger, L. Klosowski, J. Ullrich, J. R. Crespo López-Urrutia, F. Jensen, and M. Drewsen
Precision Electromagnetic Measurements (CPEM 2014), 56-57 (2014)

Passively phase-stable monolithic all-reflective two-dimensional electronic spectroscopy based on a 4-quadrant mirror

Y. Zhang, K. Meyer, C. Ott, and T. Pfeifer
Journal of Physics: Conference Series 488, 142001 (2014)

Ponderomotive dressing of doubly-excited states with intensity-controlled laser light

C. Ott, A. Kaldun, P. Raith, K. Meyer, M. Laux, Y. Zhang, S. Hagstotz, T. Ding, R. Heck, and T. Pfeifer
EPJ Web of Conferences 41, 02022 (2013)

Enhancing temporal resolution in pump-probe experiments with noisy pulses

K. Meyer, C. Ott, P. Raith, A. Kaldun, Y. H. Jiang, A. Senftleben, M. Kurka, R. Moshammer, J. Ullrich, and T. Pfeifer
The European physical journal - Web of conferences 41, 02001, 1-3 (2013)

Time-resolved spectroscopy of doubly-excited states in helium

C. Ott, A. Kaldun, P. Raith, K. Meyer, M. Laux, Y. Zhang, S. Hagstotz, T. Ding, R. Heck, and T. Pfeifer
EPJ Web of Conferences 41, 02023 (2013)

Time-resolved spectroscopy of doubly-excited states in helium

C. Ott, A. Kaldun, P. Raith, K. Meyer, M. Laux, Y. Zhang, S. Hagstotz, T. Ding, R. Heck, and T. Pfeifer
EPJ Web of Conferences 41, 02023 (2013)

Fractional high-harmonic combs 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
EPJ Web of Conferences 41, 01007 (2013)

Oscillator-based High-order Harmonic Generation at 4MHz for Applications in Time-of-Flight Photoemission Spectroscopy

C. Chiang, A. Blättermann, M. Huth, J. Kirschner, and W. Widdra
EPJ Web of Conferences 41, 01019 (2013)

Electron correlation and interference effects in strong-field processes

M. C. Kohler, C. Müller, C. Buth, A.B. Voitkiv, K. Z. Hatsagortsyan, J. Ullrich, T. Pfeifer, and C. H. Keitel
Multiphoton Processes and Attosecond Physics 125 (2012)

Investigating temporal structure of FEL pulses by XUV pump–probe autocorrelation measurements

A. Senftleben, T. Pfeifer, Y H Jiang, A Rudenko, O Herrwerth, L Foucar, M. Kurka, K. U. Kühnel, M Kübel, M F Kling, A Yamada, K Motomura, K Ueda, S Düsterer, R Treusch, C.D. Schroeter, R. Moshammer, and J. Ullrich
Journal of Physics: Conference Series 388, 032011 (2012)

Partial-coherence colored-noise approach to model FEL pulse statistics

T. Pfeifer, Y. Jiang, S. Düsterer, R. Moshammer, and J. H. Ullrich
Quantum Electronics and Laser Science Conference, QTuC4 (2011)