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Optics and Spectroscopy, 2021, Volume 129, Issue 9, Pages 1146–1151
DOI: https://doi.org/10.21883/OS.2021.09.51341.2173-21
(Mi os61)
 

Spectroscopy of condensed matter

Radiation characteristics of Ar$_{2}$Cl$^{*}$ excimer molecules under pumping of an Ar + CCl$_{4}$ dense gas mixture by high-energy electrons

A. I. Mis'kevichab, A. V. Podkopaevb

a National Engineering Physics Institute "MEPhI", Moscow
b Institute for Physics and Power Engineering named after A. I. Leypunsky, Obninsk, Kaluga region
Abstract: Spectral and temporal luminescence characteristics of gas mixtures (Ar + CCl$_{4}$), excited by a pulsed high-energy electron beam ($E_e$ = 220keV, $T_e$ = 5ns), have been investigated. It is found that Ar$_{2}$Cl$^{*}$ excimer molecules , emitting wide continuum $(4^2\Gamma-1^2\Gamma)$ at 245 nm, are formed in dense gas mixtures. Radiative deexcitation times and continuum quenching constants ($\lambda_{\operatorname{max}}$ = 245 nm) by the gas mixture components (Ar and CCl$_4$) are measured. A plasma chemical model of formation of Ar$_{2}$Cl$^{*}$ excimer molecules in Ar + CCl$_{4}$ dense gas mixtures under pumping by charged high-energy particles is proposed.
Keywords: excimer, Ar$_{2}$Cl$^{*}$ molecule, high-energy electrons, luminescence.
Received: 19.04.2021
Revised: 19.04.2021
Accepted: 13.05.2021
English version:
Optics and Spectroscopy, 2021, Volume 129, Issue 12, Pages 1273–1278
DOI: https://doi.org/10.1134/S0030400X21090162
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. I. Mis'kevich, A. V. Podkopaev, “Radiation characteristics of Ar$_{2}$Cl$^{*}$ excimer molecules under pumping of an Ar + CCl$_{4}$ dense gas mixture by high-energy electrons”, Optics and Spectroscopy, 129:9 (2021), 1146–1151; Optics and Spectroscopy, 129:12 (2021), 1273–1278
Citation in format AMSBIB
\Bibitem{MisPod21}
\by A.~I.~Mis'kevich, A.~V.~Podkopaev
\paper Radiation characteristics of Ar$_{2}$Cl$^{*}$ excimer molecules under pumping of an Ar + CCl$_{4}$ dense gas mixture by high-energy electrons
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 9
\pages 1146--1151
\mathnet{http://mi.mathnet.ru/os61}
\crossref{https://doi.org/10.21883/OS.2021.09.51341.2173-21}
\elib{https://elibrary.ru/item.asp?id=46632514}
\transl
\jour Optics and Spectroscopy
\yr 2021
\vol 129
\issue 12
\pages 1273--1278
\crossref{https://doi.org/10.1134/S0030400X21090162}
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