Low-energy elastic and electronic-energy exchange scattering of He* by Kr

Journal Article · Thu Jul 15 04:00:00 EDT 1976 · J. Chem. Phys.; (United States)

DOI:https://doi.org/10.1063/1.433125· OSTI ID:7181567

Bentley, J; Fraites, J L; Winicur, D H

Differential cross sections for He* scattered by Kr are obtained at three relative energies, 63.6--82.3 meV. Location of rainbow maxima and ''rapid'' quantum oscillations, observed at all energies, are used to determine parameters for a double Lennard-Jones potential. The parameters, epsilon=8.0 +- 0.6 meV and r/subm/=4.8 +- 0.25 A, are close to those for Li+Kr and are substantially different from those of He+Kr. The effects of direct electronic-energy exchange scattering are observed as excess scattered intensities between 10degree and 30degree lab. These effects are compared to those arising from chemi-ionization. (AIP)

• Research Organization: Chemistry Department and the Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556
• OSTI ID: 7181567
• Journal Information: J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 65:2; ISSN JCPSA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
EXCITED STATES
FLUIDS
HELIUM
INTERATOMIC FORCES
KRYPTON
LENNARD-JONES POTENTIAL
METASTABLE STATES
MEV RANGE
MEV RANGE 10-100
NONMETALS
RARE GASES
SCATTERING