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First results of a search for the two-neutrino double-beta decay of 136Xe with high-pressure copper proportional counters

  • Double-Beta Decay and Rare Processes
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Abstract

A description of a low-background installation for a new stage of the experimental search for the 2β(2ν) decay of 136Xe with high-pressure copper proportional counters is presented. The first estimate of the decay half-life limit based on the data measured over 4140 h yields T 1/2≥2.4×1021 yr (90% C.L.).

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From Yadernaya Fizika, Vol. 67, No. 11, 2004, pp. 2033–2038.

Original English Text Copyright © 2004 by Gavriljuk, Gangapshev, Kuzminov, Osetrova, Panasenko, Ratkevich.

This article was submitted by the authors in English.

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Gavriljuk, Y.M., Gangapshev, A.M., Kuzminov, V.V. et al. First results of a search for the two-neutrino double-beta decay of 136Xe with high-pressure copper proportional counters. Phys. Atom. Nuclei 67, 2011–2016 (2004). https://doi.org/10.1134/1.1825520

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  • DOI: https://doi.org/10.1134/1.1825520

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