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Quenching cross sections for Xe(3P2) metastable atoms with simple molecules

✍ Scribed by J.E. Velazco; D.W. Setser

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 416 KB
Volume: 25
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(74)89116-5

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✦ Synopsis

The cross section for quenching of Xe(3P,, 8.3 eV) metastabie atoms by thirteen simple molecules has been measured using the tlowing-afterglow technique. Except for Ha and N larger than for quenching of Ar(3Pa). For both Ar(3 2' the cross sections for quenching of Xe('Pa) are Pa) and Xe( Pa) the magnitude of the quenching cross section for tire majority of the molecules is dominated by Iong range forces. The technique used for generating Xe13P2) was based upon the addition of Xe to a flow of argon metastable atoms which results in the transfer of energy from a large fraction of Ar metastabfe atoms to ground state Xe atoms. yielding Xe(3Pa) atoms.

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