In this work we present new improved experimental limits for the partial half-lives of the double beta processes of 96Ru and 104Ru, obtained by means of a gamma-spectrometry measurement. A disc of metallic Ru of natural isotopic abundance was sandwiched between two HPGe-detectors in the 225 m deep underground laboratory HADES. After 50 days of measurement, the lower bounds for the partial half-lives were up to 6×1019 yr for 96Ru and 1.6×1020 yr for 104Ru.
ANDREOTTI Erica;
HULT Mikael;
MARISSENS Gerd;
GONZALEZ DE ORDUNA Raquel;
VERMAERCKE P.;
2012-12-05
PERGAMON-ELSEVIER SCIENCE LTD
JRC66160
0969-8043,
https://publications.jrc.ec.europa.eu/repository/handle/JRC66160,
10.1016/j.apradiso.2012.02.042,
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