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Proceedings Paper

Formation of excited helium molecules in a low temperature helium plasma
Author(s): Yurii A. Tolmachev; Yurii A. Piotrovskii; O. V. Zhigalov
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Paper Abstract

Two different channels for He2 excited molecule formation in a low temperature plasma are studied: recombinations of molecular ion He2+ and collisions of excited Helium atom with two normal atoms. Rate constants for the second processes is estimated as k3≈0.5 10-30 cm6s-1. Different role of two processes in the active phase of plasma excitation and in afterglow is shown.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.618810
Show Author Affiliations
Yurii A. Tolmachev, Saint Petersburg State Univ. (Russia)
Yurii A. Piotrovskii, Saint Petersburg State Univ. (Russia)
O. V. Zhigalov, Saint Petersburg State Univ. (Russia)

Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Sanka V. Gateva; Lachezar A. Avramov; Alexander A. Serafetinides, Editor(s)

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