Formation of excited helium molecules in a low temperature helium plasma

Yurii A. Tolmachev; Yurii A. Piotrovskii; O. V. Zhigalov

doi:10.1117/12.618810

22 April 2005 Formation of excited helium molecules in a low temperature helium plasma

Yurii A. Tolmachev, Yurii A. Piotrovskii, O. V. Zhigalov

Proceedings Volume 5830, 13th International School on Quantum Electronics: Laser Physics and Applications; (2005) https://doi.org/10.1117/12.618810
Event: 13th International School on Quantum Electronics: Laser Physics and Applications, 2004, Bourgas, Bulgaria

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.

Citation Download Citation

Yurii A. Tolmachev, Yurii A. Piotrovskii, and O. V. Zhigalov "Formation of excited helium molecules in a low temperature helium plasma", Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); https://doi.org/10.1117/12.618810

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