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Emission of noble gases and their mixtures with lithium excited by the products of the 6Li(n,α)3H nuclear reaction

Published online by Cambridge University Press:  08 March 2019

Yu. N. Gordienko ,
M. U. Khasenov Open the ORCID record for M. U. Khasenov [Opens in a new window] ,
E. G. Batyrbekov ,
K. K. Samarkhanov ,
Yu. V. Ponkratov  and
A. K. Amrenov
Yu. N. Gordienko
Affiliation:
National Nuclear Center of the Republic of Kazakhstan, Kurchatov 071100, Kazakhstan
M. U. Khasenov*
Affiliation:
Nazarbayev University, National Laboratory Astana PI, Astana 010000, Kazakhstan
E. G. Batyrbekov
Affiliation:
National Nuclear Center of the Republic of Kazakhstan, Kurchatov 071100, Kazakhstan
K. K. Samarkhanov
Affiliation:
National Nuclear Center of the Republic of Kazakhstan, Kurchatov 071100, Kazakhstan
Yu. V. Ponkratov
Affiliation:
National Nuclear Center of the Republic of Kazakhstan, Kurchatov 071100, Kazakhstan
A. K. Amrenov
Affiliation:
Nazarbayev University, National Laboratory Astana PI, Astana 010000, Kazakhstan
*
Author for correspondence: Mendykhan U. Khasenov, Nazarbayev University, National Laboratory Astana PI, Astana 010000, Kazakhstan. E-mail: [email protected]
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Abstract

Research results of luminescence spectra of noble gases and Ar–Xe, Ar–Kr, and Kr–Xe mixtures under the excitation by products of nuclear reaction in the core of a stationary nuclear reactor with 0.87 × 1014 n/cm2s thermal neutron flux are described in the article. The emission spectra of noble gases are similar to the obtained spectrum under the excitation by the 40Ar+7 ion beam from the DC-60 accelerator. Bands in spectra of the binary mixtures of noble gases are connected with the radiation on heteronuclear ion molecule transitions. The appearance of the lines of alkali metal atoms at the temperature increase of gas chamber is explained by sputtering of the lithium layer via nuclear reaction products as well as ionized and excited particles of the buffer gas.

Keywords

Lithiumluminescencenoble gasnuclear reactorsputtering
Type
Research Article
Information
Laser and Particle Beams , Volume 37 , Issue 1 , March 2019 , pp. 18 - 24
Copyright
Copyright © Cambridge University Press 2019 

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