Mon·May 9, 2016Monday·May 9, 2016

1. 01*

   Limit on the Radiative Neutrinoless Double Electron Capture of ${}^{36}$Ar from GERDA Phase I

   M. Agostini🇮🇹 · M. Allardt🇩🇪 · A.M. Bakalyarov🇷🇺 · M. Balata🇮🇹 · I. Barabanov🇷🇺 · N. Barros🇩🇪 · L. Baudis🇨🇭 · C. Bauer🇩🇪 · E. Bellotti🇮🇹 · S. Belogurov🇷🇺 · S.T. Belyaev🇷🇺 · G. Benato🇨🇭 and 106 other authors

   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 $\times$ 10${}^{21}$ yr at 90 % C.I.

   nucl-exhep-exEPJC(2016)·21 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.