Deactivation of two-photon excited Xe(5[ital p][sup 5]6[ital p],6[ital p][prime],7[ital p]) and Kr(4[ital p][sup 5]5[ital p]) in xenon and krypton
Journal Article
·
· Journal of Chemical Physics; (United States)
- Physics Department, The University of Texas at Austin, Austin, Texas 78712 (United States)
Lifetimes and bimolecular quenching rate constants have been determined for two-photon laser excited states of Xe*(5[ital p][sup 5]6[ital p],5[ital p][sup 5]6[ital p][prime],5[ital p][sup 5]7[ital p]) and Kr*(4[ital p][sup 5]5[ital p]) in krypton and xenon buffer gases. Collisional mixing between Kr*5[ital p][5/2][sub 2] and Kr*5[ital p][5/2][sub 3] in krypton is observed and analyzed using a coupled two-state model to obtain the rate of mixing. The measured rate constants for quenching of Xe*(6[ital p][prime],7[ital p]) by krypton are 15%--20% smaller than those measured previously in xenon while bimolecular rates for the Kr*(5[ital p]) states are an order of magnitude larger in xenon than those in a krypton buffer. Measurements of state-to-state rate constants for deactivation and excitation transfer are also reported for these states in krypton and xenon buffer gases.
- OSTI ID:
- 6601396
- Journal Information:
- Journal of Chemical Physics; (United States), Journal Name: Journal of Chemical Physics; (United States) Vol. 102:5; ISSN JCPSA6; ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
664200* -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
664400 -- Experimentally Derived Information on Atomic & Molecular Properties-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
BUFFERS
COLLISIONS
DE-EXCITATION
ELEMENTS
ENERGY-LEVEL TRANSITIONS
FLUIDS
FREQUENCY MIXING
GASES
KRYPTON
LASERS
LIFETIME
MULTI-PHOTON PROCESSES
NONMETALS
RARE GASES
XENON
664400 -- Experimentally Derived Information on Atomic & Molecular Properties-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
BUFFERS
COLLISIONS
DE-EXCITATION
ELEMENTS
ENERGY-LEVEL TRANSITIONS
FLUIDS
FREQUENCY MIXING
GASES
KRYPTON
LASERS
LIFETIME
MULTI-PHOTON PROCESSES
NONMETALS
RARE GASES
XENON