Single and multiple collision effects observed in the femtosecond spectroscopy of I-2 rare gas collision complexes: a statistical description

Authors
Citation
H. Dietz et V. Engel, Single and multiple collision effects observed in the femtosecond spectroscopy of I-2 rare gas collision complexes: a statistical description, J CHEM PHYS, 110(7), 1999, pp. 3335-3340
Citations number
45
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF CHEMICAL PHYSICS
ISSN journal
00219606 → ACNP
Volume
110
Issue
7
Year of publication
1999
Pages
3335 - 3340
Database
ISI
SICI code
0021-9606(19990215)110:7<3335:SAMCEO>2.0.ZU;2-B
Abstract
We use a simple statistical model to simulate recent femtosecond experiment s on the caging dynamics of I-2 in high pressure rare gas environments [Wan et al., J. Chem. Phys. 106, 4353 (1997)]. The collision-induced bound stat e motion in I-2 and its appearance in the pump/probe signal is perfectly re produced in our calculation. In the case where He is used as the I-2 collis ion partner we find multiple collisions to be important. The numerical resu lts can be explained analytically under simplified assumptions. (C) 1999 Am erican Institute of Physics. [S0021-9606(99)00307-4].