Collisional de-excitation of rare-gas metastable atoms Ar, Kr, Xe by molecular hydrogen and deuterium
- 14 December 1981
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 14 (23) , 4587-4594
- https://doi.org/10.1088/0022-3700/14/23/019
Abstract
Absolute cross sections for the collisional de-excitation of the metastable rare-gas atoms Ar (3P0.f2), Kr (3P0.2) and Xe (3P0.2) by molecular hydrogen and deuterium have been measured. The experiment employs a velocity-selected metastable atom beam and a collision chamber with a variable length. During a collision, transfer of electronic energy from the metastable atom ideas to dissociation of the target molecule. In the case of argon metastable atoms this process may be complicated by other de-excitation mechanisms.Keywords
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