Collisions of excited alkali atoms with O/sub 2/. I. Intermultiplet transfer

Journal Article · Sat Aug 15 00:00:00 EDT 1987 · J. Chem. Phys.; (United States)

OSTI ID:6348752

Paillard, D; Mestdagh, J M; Cuvellier, J; de Pujo, P; Berlande, J

The cross sections for the Rb(7S..-->..5D), Rb(5D..-->..7S), and Na(4D..-->..5S) collisional transfers induced by O/sub 2/ have been measured in absolute values as a function of the collision energy using a crossed beam apparatus. The experimental data have been compared with the predictions given by a multiple curve-crossing model where the symmetries of the states formed by the colliding alkali-metal atom--O/sub 2/ system as well as the molecular orientation are considered. Good agreement is observed between experimental and calculated cross sections. This tends to show that in spite of its approximations, a multiple curve-crossing model would be useful to obtain fairly accurate informations about collisional processes involving alkali atoms with as much as 4 eV electronic excitation.

• Research Organization: Service de Physique des Atomes et des Surfaces, Centre D'Etudes Nucleaires de Saclay, 91191 Gif-Sur-Yvette Cedex, France
• OSTI ID: 6348752
• Journal Information: J. Chem. Phys.; (United States), Vol. 87:4
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ATOM-MOLECULE COLLISIONS
ENERGY-LEVEL TRANSITIONS
OXYGEN
RUBIDIUM
SODIUM
CROSS SECTIONS
EXCITED STATES
INELASTIC SCATTERING
ORIENTATION
ALKALI METALS
ATOM COLLISIONS
COLLISIONS
ELEMENTS
ENERGY LEVELS
METALS
MOLECULE COLLISIONS
NONMETALS
SCATTERING
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena