Title: First search for 2ε and εβ+ decay of 174Hf
Authors: DANEVICH F.A.HULT MIKAELKASPEROVYCH DIMAKOVTUN G.P.KOVTUN K.V.LUTTER GUILLAUMEMARISSENS GERDPOLISCHUK IKSANASTETSENKO S.P.TRETYAK V.I.
Citation: NUCLEAR PHYSICS A vol. 996 p. 121703
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2020
JRC N°: JRC118714
ISSN: 0375-9474 (online)
URI: https://publications.jrc.ec.europa.eu/repository/handle/JRC118714
DOI: 10.1016/j.nuclphysa.2020.121703
Type: Articles in periodicals and books
Abstract: The first ever search for 2ε and εβ+ decay of 174Hf was realized using a high-pure sample of hafnium (with mass 179.8 g) and the ultra low-background HPGe-detector system located 225 m underground. After 75 days of data taking no indication of the double beta decay transitions could be detected but lower limits for the half-lives of the different channels and modes of the decays were set on the level of limT1/2 ∼ 10E16 − 10E18 a.
JRC Directorate:Nuclear Safety and Security

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