First results of a search for the two-neutrino double-beta decay of 136Xe with high-pressure copper proportional counters
- 1 November 2004
- journal article
- Published by Pleiades Publishing Ltd in Physics of Atomic Nuclei
- Vol. 67 (11) , 2011-2016
- https://doi.org/10.1134/1.1825520
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 T1/2≥2.4×1021 yr (90% C.L.).Keywords
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