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Title: Electron Rescattering in Above-Threshold Photodetachment of Negative Ions

We present experimental and theoretical results on photodetachment of Br{sup -} and F{sup -} in a strong infrared laser field. The observed photoelectron spectra of Br{sup -} exhibit a high-energy plateau along the laser polarization direction, which is identified as being due to the rescattering effect. The shape and the extension of the plateau is found to be influenced by the depletion of negative ions during the interaction with the laser pulse. Our findings represent the first observation of electron rescattering in above-threshold photodetachment of an atomic system with a short-range potential.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ; ; ;  [4]
  1. Faculty of Science, University of Sarajevo, Zmaja od Bosne 35, 71000 Sarajevo, Bosnia and Herzegovina (Bosnia and Herzegowina)
  2. (Germany)
  3. Max-Born-Institut, Max-Born-Strasse 2a, D-12489 Berlin (Germany)
  4. Albert-Ludwigs-Universitaet, D-79104 Freiburg (Germany)
Publication Date:
OSTI Identifier:
21386845
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 104; Journal Issue: 10; Other Information: DOI: 10.1103/PhysRevLett.104.103004; (c) 2010 The American Physical Society
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ANIONS; BROMINE IONS; ELECTRONS; FLUORINE IONS; INTERACTIONS; LASER RADIATION; LASERS; PHOTOELECTRON SPECTROSCOPY; POLARIZATION; POTENTIALS; PULSES; RESCATTERING CHARGED PARTICLES; ELECTROMAGNETIC RADIATION; ELECTRON SPECTROSCOPY; ELEMENTARY PARTICLES; FERMIONS; IONS; LEPTONS; RADIATIONS; SCATTERING; SPECTROSCOPY