First search for 2ε and εβ+ decay of 174Hf
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.
DANEVICH F.A.;
HULT Mikael;
KASPEROVYCH Dima;
KOVTUN G.P.;
KOVTUN K.V.;
LUTTER Guillaume;
MARISSENS Gerd;
POLISCHUK Iksana;
STETSENKO S.P.;
TRETYAK V.I.;
2020-02-19
ELSEVIER SCIENCE BV
JRC118714
0375-9474 (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC118714,
10.1016/j.nuclphysa.2020.121703 (online),
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