Two neutrino double-beta decay of 100Mo to the first excited 0 + state in 100Ru

Double-beta decay of 100Mo to the 0 + excited sate at 1130.29 keV in 100ru has been observed. A 956g sample of molybdenum powder enriched to 98.468% 100Mo was counted in a “Marinelli” geometry with a well-shielded, ultralow-background germnium detector. The cascade gamma rays at 539.53 and 590.76 ke...

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Published inPhysics letters. B Vol. 345; no. 4; pp. 408 - 413
Main Authors Barabash, A.S., Avignone, F.T., Collar, J.I., Guerard, C.K., Arthur, R.J., Brodzinski, R.L., Miley, H.S., Reeves, J.H., Meier, J.R., Ruddick, K., Umatov, V.I.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.02.1995
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Summary:Double-beta decay of 100Mo to the 0 + excited sate at 1130.29 keV in 100ru has been observed. A 956g sample of molybdenum powder enriched to 98.468% 100Mo was counted in a “Marinelli” geometry with a well-shielded, ultralow-background germnium detector. The cascade gamma rays at 539.53 and 590.76 keV in 100Ru were observed. The resulting half-life is (6.1 −1.1 +1.8)×10 20 yr at the 68% confidence limit in disagreement with a recently published limit.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(94)01657-X