Investigation of the Majoron accompanied double beta decay mode of Ge-76 - INSPIRE

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Investigation of the Majoron accompanied double beta decay mode of Ge-76

1993

3 pages

Part of Sixty years of double beta decay: From nuclear physics to beyond standard model particle physics, 930-932

Published in:

Phys.Rev.Lett. 70 (1993) 2853-2855

DOI:

10.1103/PhysRevLett.70.2853

PDG: Majoron Searches in Neutrinoless Double

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Abstract: (APS)

We have examined the double-beta decay mode accompanied by Majoron emission. After 223 days of measurement corresponding to about 615 kg d or 19.3 mol yr of exposure we find a lower half-life limit for this decay channel of T1/20νχ>1.66(1.99)×1022 yr [90% (68%) C.L.] yielding a new limit for the Majoron-neutrino coupling of 〈gνχ〉<1.8×10−4 (90% C.L.).

nucleus: semileptonic decay
semileptonic decay: nucleus
semileptonic decay: multiple
multiple: semileptonic decay
postulated particle: Majoron
germanium: lifetime
lower limit
coupling: (Majoron neutrino)
(Majoron neutrino): coupling
semiconductor detector: experimental results

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