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Limit on the radiative neutrinoless double electron capture of 36Ar from GERDA Phase I
Ist Teil von
The European physical journal. C, Particles and fields, 2016-11, Vol.76 (12)
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2016
Quelle
EZB-FREE-00999 freely available EZB journals
Beschreibungen/Notizen
Neutrinoless double electron capture is a process that, if detected, would give evidence of lepton number violation and the Majorana nature of neutrinos. A search for neutrinoless double electron capture of
36
Ar has been performed with germanium detectors installed in liquid argon using data from Phase I of the GERmanium Detector Array (
Gerda
) experiment at the Gran Sasso Laboratory of INFN, Italy. No signal was observed and an experimental lower limit on the half-life of the radiative neutrinoless double electron capture of
36
Ar was established:
T
1
/
2
>
3.6
×
10
21
years at 90% CI.