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22. Week 2017


Monday, 05.29.

 Seminar Dynamik und Struktur von Atomen und Molekülen

Time, Place:

09:30 , Seminarraum, Bothe Lab

Speaker:

Maximilian Hartmann, MPIK

Title:

Progress in Photoelectron Streaking and Absorption Spectroscopy

Tuesday, 05.30.

 Seminar Theoretische Quantendynamik

Time, Place:

11:15 , Seminarraum, Bothe Lab

Speaker:

Dr. Tahir Shaaran, MPIK

Title:

Role of high ponderomotive energy in laser induced non-sequential double ionization

The laser induced non-sequential double ionization (NSDI) of rare gas atoms in mid-infrared laser fields is studied experimentally and theoretically. We investigate electron-electron correlation at high recollision energies, experimentally achieving ponderomotive energies (U p, the average energy of a free electron in the laser field) six times higher than in the previous experiments. The contri-bution of the two main channels of NSDI in the photoelectron momentum distribution: (e,2e)-like double ionization and recollision-induced excitation with subsequent ionization (RESI), are shown to scale differently with increase of ponderomotive energy. While the photoelectron momentum space induced by the (e,2e)-channel expands with increasing the recollision energy, the peak of the RESI distribution stays confined, opening possibility to disentangle experimentally the contributions of different channels. We demonstrate that for argon both (e,2e) and RESI mechanisms contribute, with overwhelming role of (e,2e) channel at higher U p, while for neon (e,2e) is the main mechanism for NSDI in all investigated U p -range.

Wednesday, 05.31.

 Seminar Stored and Cooled Ions

Time, Place:

15:00 , Central seminar room, library building

Speaker:

Tim Sailer

Title:

9Be1+ ions for laser cooling in the ALPHATRAP g-factor experiment

Thursday, 06. 1.

 Teekolloquium

Time, Place:

11:15 , Otto Hahn Lecture Hall (library)

Speaker:

Prof. Arno Rauschenbeutel, Atominstitut, TU Wien, Austria

Title:

Chiral Quantum Optics

Host: K. Blaum

23. Week 2017


Wednesday, 06. 7.

 Gentner Colloquium for Astroparticle Physics

Time, Place:

11:15 , Central seminar room, library building

Speaker:

Prof. Dr. Daniel Vignaud (APC, Paris)

Title:

Solar neutrinos: messengers from the core of the Sun and talented wizards

 Divisional Workshop Prof. Lindner

Time, Place:

14:00 , Central seminar room, library building

Speaker:

Prof. M. Trieloff, Prof. R. Bernabei, Prof. F. v. Feilitzsch, Prof. M. Cribier, Prof. D. Vignaud, Dr. G. Zuzel, Dr. H. Simgen, Dr. Ch. Buck

Title:

From Cosmochemistry to Solar Neutrinos - a Retrospective

Thursday, 06. 8.

 Kaffeepalaver

Time, Place:

11:15 , Central seminar room (library)

Speaker:

Dr. Stefan Schoppmann, MPIK Heidelberg

Title:

The Stereo Experiment – Towards an eV Sterile Neutrino Result

Host: M. Lindner

Max-Planck-Gesellschaft

19.05.17

Neuer Ionisationsweg in molekularem Wasserstoff identifiziert

„Wackelndes“ Molekül schüttelt Elektron ab


18.05.17

XENON1T: Das empfindlichste „Auge“ für Dunkle Materie

„Das weltbeste Resultat zu Dunkler Materie – und wir stehen...


23.03.17

Ruf für Sunil Kumar

Dr. Sunil Kumar Sudhakaran hat einen Ruf als Assistant...


03.02.17

Florian Goertz leitet neue Forschergruppe am MPIK

Dr. Florian Goertz war im Auswahlverfahren der...