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MO: Fachverband Molekülphysik

MO 8: Electronic Spectroscopy 1

MO 8.1: Hauptvortrag

Dienstag, 18. März 2014, 14:00–14:30, BEBEL HS213

Selected Personal Highlights of Electron Collision Work — •Michael Allan — Department of Chemistry, University of Fribourg, Switzerland

The research in Fribourg is a continuation of the ingenious experiment of Franck and Hertz, the 100th anniversary of which we celebrate this year, as well as a continuation of later classical work of researchers like George Schulz or Helmut Ehrhardt. The talk will present a personal retrospective of few Fribourg experiments, performed in part in collaboration with the Kaiserslautern group of Hartmut Hotop, experiments which I believe the early pioneers would have appreciated. They will include older experiments where instrumental progress permitted insight into phenomena such as dipole-bound resonances, electron-driven proton transfer, or excitation of vibrational Fermi-resonances. More recent experiments where detailed information on the nuclear and autodetachment dynamics of temporary molecular negative ions is gained from 2-dimensional electron energy loss spectra will also be mentioned. Finally, some of the current trends of the electron collision field will be indicated.