Rotational state selective photoionization of the H/sub 2/ molecule from B /sup 1/. sigma. /sup +//sub u/(v ' = 0,3) states
Journal Article
·
· J. Chem. Phys.; (United States)
OSTI ID:5174097
Selective photoionization from single rotational states of the B /sup 1/..sigma../sup +//sub u/(v' = 0 and 3) excited state of the H/sub 2/ molecule has been investigated with fixed frequency and tunable laser radiation around lambda = 266 nm. State selection of the B-state levels was achieved by tunable VUV laser excitation around lambda = 110 and 106 nm, respectively. The ionization cross section has been determined for different states, and found to be critically dependent upon the initial rotational quantum state and to show pronounced spectral structure with the ionization wavelength. At lambda/sub I/ = 266.05 nm the cross section varies between 0.23 x 10/sup -18/ and 1.2 x 10/sup -18/ cm/sup 2/, depending on the initial state.
- Research Organization:
- Fakultaet fuer Physik, Universitaet Bielefeld, D 4800 Bielefeld 1, West Germany
- OSTI ID:
- 5174097
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 83:9; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FAR ULTRAVIOLET RADIATION
HYDROGEN
IONIZATION
LASER SPECTROSCOPY
NONMETALS
PHOTOIONIZATION
RADIATIONS
ROTATIONAL STATES
SPECTROSCOPY
ULTRAVIOLET RADIATION
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FAR ULTRAVIOLET RADIATION
HYDROGEN
IONIZATION
LASER SPECTROSCOPY
NONMETALS
PHOTOIONIZATION
RADIATIONS
ROTATIONAL STATES
SPECTROSCOPY
ULTRAVIOLET RADIATION