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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
  • , A. Bettini
  • , L. Bezrukov
  • , T. Bode
  • , D. Borowicz
  • , V. Brudanin
  • , R. Brugnera
  • , A. Caldwell
  • , C. Cattadori
  • A. Chernogorov, V. D’Andrea, E. V. Demidova, A. di Vacri, A. Domula, E. Doroshkevich, V. Egorov, R. Falkenstein, O. Fedorova, K. Freund, N. Frodyma, A. Gangapshev, A. Garfagnini, C. Gooch, P. Grabmayr, V. Gurentsov, K. Gusev, J. Hakenmüller, A. Hegai, M. Heisel, S. Hemmer, G. Heusser, W. Hofmann, M. Hult, L. V. Inzhechik, J. Janicskó Csáthy, J. Jochum, M. Junker, V. Kazalov, T. Kihm, I. V. Kirpichnikov, A. Kirsch, A. Kish, A. Klimenko, R. Kneißl, K. T. Knöpfle, O. Kochetov, V. N. Kornoukhov, V. V. Kuzminov, M. Laubenstein, A. Lazzaro, V. I. Lebedev, B. Lehnert, H. Y. Liao, M. Lindner, I. Lippi, A. Lubashevskiy, B. Lubsandorzhiev, G. Lutter, C. Macolino, B. Majorovits, W. Maneschg, E. Medinaceli, M. Miloradovic, R. Mingazheva, M. Misiaszek, P. Moseev, I. Nemchenok, D. Palioselitis, K. Panas, L. Pandola, K. Pelczar, A. Pullia, S. Riboldi, N. Rumyantseva, C. Sada, F. Salamida, M. Salathe, C. Schmitt, B. Schneider, S. Schönert, J. Schreiner, A. K. Schütz, O. Schulz, B. Schwingenheuer, O. Selivanenko, M. Shirchenko, H. Simgen, A. Smolnikov, L. Stanco, M. Stepaniuk, L. Vanhoefer, A. A. Vasenko, A. Veresnikova, K. von Sturm, V. Wagner, M. Walter, A. Wegmann, T. Wester, C. Wiesinger, H. Wilsenach, M. Wojcik, E. Yanovich, I. Zhitnikov, S. V. Zhukov, D. Zinatulina, K. Zuber, G. Zuzel, collaboration GERDA collaboration

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

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 36Ar 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 36Ar was established: T1 / 2> 3.6 × 1021 years at 90% CI.

Original languageEnglish
Article number652
JournalEuropean Physical Journal C
Volume76
Issue number12
DOIs
StatePublished - 1 Dec 2016

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