Search for 2K(2)-capture of Xe-124
Abstract
The results of a search for two neutrino mode of double K-capture of Xe-124 using a large copper low-background proportional counter are presented. Data collected during 3220 hours of measurements with 58.6 g of 124Xe provides us to a new limit on the half-life of Xe-124 regarding 2K-capture at the level: T1/2 >= 2.0*1021 years at a 90\% confidence level.
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