Energy dependence of the inelastic process Ba(6 s 6 p sup 1 P sub 1 )+Ar,He r arrow Ba(6 s 6 p sup 3 P sub 1,2 )+Ar,He

Journal Article · Mon Oct 01 00:00:00 EDT 1990 · Journal of Chemical Physics; (USA)

DOI:https://doi.org/10.1063/1.459657· OSTI ID:6367181

Visticot, J P; Berlande, J; Cuvellier, J; Mestdagh, J M; Meynadier, P; de Pujo, P; Sublemontier, O ^[1]; Bell, A J; Frey, J G ^[2]

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1. Service de Physique des Atomes et des Surfaces, Centre d'Etudes Nucleaires de Saclay, 91191 Gif-sur-Yvette Cedex (France)
2. Department of Chemistry, University of Southampton, Southampton S09 5NH, Hampshire (United Kingdom)

The cross section of the inelastic transfer from Ba(6{ital s}6{ital p} {sup 1}{ital P}{sub 1}) to Ba(6{ital s}6{ital p} {sup 3}{ital P}{sub 1,2}) induced by collision with argon or helium is measured as a function of the collision energy. The existence of a 0.15 eV energy barrier in the formation of Ba(6{ital s}6{ital p} {sup 3}{ital P}{sub 1}) is observed and allows to explain why Ba(6{ital s}6{ital p} {sup 3}{ital P}{sub 2}) was the only product formed in a previous cell experiment.

• OSTI ID: 6367181
• Journal Information: Journal of Chemical Physics; (USA), Journal Name: Journal of Chemical Physics; (USA) Vol. 93:7; ISSN JCPSA; ISSN 0021-9606
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALINE EARTH METALS
ARGON
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
ATOMIC BEAMS
BARIUM
BEAMS
COLLISIONS
CROSS SECTIONS
ELEMENTS
ENERGY DEPENDENCE
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
FLUIDS
GASES
HELIUM
METALS
NONMETALS
RARE GASES