Search for double β-decay of 100Mo and 116Cd to the excited states of 100Ru and 116Sn

• Published in: Physics letters. B Vol. 249; no. 2; pp. 186 - 190
• Main Authors: Barabash, A.S., Kopylov, A.V., Cherehovsky, V.I.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.10.1990
• ISSN: 0370-2693; 1873-2445
• DOI: 10.1016/0370-2693(90)91240-C

Lower limits of the half-lives of the 2β-decays of 100Mo and 116Cd to the excited states of the daughter nuclei have been obtained, using a low-background HPGe detector surrounded by a NaI(TI) detector. In particular the following limits are obtained: 100 Mo→ 100 Ru(2 1 +): T 1 2 (0ν + 2ν) > 1.4 × 10 20 yr , 100 Mo→ 100 Ru(0 1 +): T 1 2 (0ν + 2ν) > 4.2 × 10 19 yr , 116 Cd→ 116 Sn (2 1 +): T 1 2 (0ν + 2ν) > 1.7 × 10 20 yr .