Searches for the β+ / EC decays of 64Zn and 112Sn, and the ββ decay transitions of 124Sn to the excited states of 124Te

H. J. Kim, S. C. Kim, S. K. Kim, T. Y. Kim, H. S. Lee, J. Lee, M. J. Lee, Y. D. Kim, J. I. Lee, J. Y. Lee, M. J. Hwang, Y. J. Kwon, I. S. Hahn, M. H. Lee

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Abstract

Results of searches for the β+ / EC decays of 64Zn and 112Sn, and the ββ decay of 124Sn to excited states in 124Te are presented. This work was done at the ChyungPyung Underground Laboratory. An ultra-low background HPGe detector with/without CsI(Tℓ) crystal was used for gamma tagging. No evidence of any of these decay modes has been found. Lower limits on the half-lives on the 124Sn decay to different excited channels of ββ decay are set in the range of 1018 - 1019 years by 90% C.L. Lower limits of the half-lives of β+ / EC decay of 64Zn, 112Sn are obtained to be 9.1 × 1017 years and 1.3 × 1020 years by 90% C.L., respectively.

Original languageEnglish
Pages (from-to)171-177
Number of pages7
JournalNuclear Physics A
Volume793
Issue number1-4
DOIs
Publication statusPublished - 2007 Sep 1

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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