Time resolved spectroscopy of xenon excimers excited by synchrotron radiation

Formation and decay rates of the lowest 0u+ and 1u states of Xe2*, excited by monochromatized synchrotron radiation from the Stanford storage ring (SPEAR), have been measured in pure xenon and in xenon–argon mixtures over the pressure range 102 to 104 Torr. The results are interpreted to yield radia...

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Bibliographic Details
Published in:The Journal of chemical physics 1980-03, Vol.72 (5), p.2914-2924
Main Authors: Bonifield, T. D., Rambow, F. H. K., Walters, G. K., McCusker, M. V., Lorents, D. C., Gutcheck, R. A.
Format: Article
Language:English
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Summary:Formation and decay rates of the lowest 0u+ and 1u states of Xe2*, excited by monochromatized synchrotron radiation from the Stanford storage ring (SPEAR), have been measured in pure xenon and in xenon–argon mixtures over the pressure range 102 to 104 Torr. The results are interpreted to yield radiative lifetimes (4.6±0.3 and 99±2 nsec, respectively, for vibrationally relaxed 0u+ and 1u molecules), vibrational relaxation rates [7×10−11 and 6×10−12 cm3/sec for Xe2* (1u) in collisions with xenon and argon, respectively], the Xe2* (0u+) three-body formation rate from Xe(3P1) (5.3×10−32 cm3/sec), and rates for 0u+–1u mixing by collisions with xenon and argon.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.439490