State-resolved differential cross sections for the reaction D+H/sub 2/. -->. HD+H
Differential cross sections for the reaction D+H/sub 2/..-->..HD+H were measured with a novel crossed molecular beam technique, in which a pulse of energetic D atoms is formed by 193 nm photolysis of D/sub 2/S and crossed with a pulse of H/sub 2/ at a variable intersection angle. Speed distributions of the product HD, measured by time-of-flight to a mass spectrometer detector, show clearly resolved peaks for v = 0 and v = 1 at center-of-mass scattering angles near 180/sup 0/, for an initial relative kinetic energy of 0.95 eV. Analysis of the data by computer simulation of the experiment yields a v = 0/v = 1 population ratio of 5.1, and average rotational energies of 0.26 eV in V = 0 and 0.11 eV in v = 1.
- Research Organization:
- Chemical Dynamics Laboratory, University of Minnesota, 207 Pleasant Street, S. E., Minneapolis, Minnesota 55455
- OSTI ID:
- 6400595
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 87:2; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
BEAMS
CHEMICAL REACTIONS
COLLISIONS
CROSS SECTIONS
DEUTERIUM
DIFFERENTIAL CROSS SECTIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MOLECULAR BEAMS
MOLECULE COLLISIONS
NONMETALS
NUCLEI
ODD-ODD NUCLEI
STABLE ISOTOPES
VIBRATIONAL STATES