Femtosecond Time-Resolved Photoelectron Angular Distributions Probed during Photodissociation of NO{sub 2}
Journal Article
·
· Physical Review Letters
Femtosecond time-resolved photoelectron angular distributions (PADs) are measured for the first time in the molecular frame of a dissociating molecule. Various stages of the dissociation process, NO{sub 2}{yields} NO(C {pi}{sup 2})+O(P{sup 3}) , are probed using ionization of the NO(C {pi}{sup 2}) fragment to NO{sup +}( X {sigma}{sup +1}) . The PADs evolve from forward-backward asymmetric with respect to the dissociation axis at short time delays ({<=}500 fs) to symmetric at long time delays ({>=}1 ps). Changes in the PADs directly reflect the time-dependent separation and reorientation of the dissociating photofragments. (c)
- OSTI ID:
- 20216909
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 26 Vol. 84; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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