Journal
PHYSICAL REVIEW A
Volume 80, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.011402
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Funding
- DGI [FIS2007-60064, CSD2007-00010]
- European COST Action [CM0702]
- Vicerrector a de Investigacion of Universidad de Antioquia and Colciencias agency
- Alban Program [E07D401391CO.]
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Photoelectron angular distributions from fixed-in-space H-2 molecules exposed to ultrashort xuv laser pulses have been evaluated. The theoretical method is based on the solution of the time-dependent Schrodinger equation in a basis of stationary states that include all electronic and vibrational degrees of freedom. Asymmetric angular distributions are observed as a consequence of the delayed ionization from the H-2 doubly excited states, which induces interferences between gerade and ungerade ionization channels. The analysis of this asymmetry as a function of pulse duration can provide an estimate of the corresponding autoionization widths.
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