Searches for double beta decay of Xe 134 with EXO-200

J. B. Albert, G. Anton, I. Badhrees, P. S. Barbeau, R. Bayerlein, D. Beck, V. Belov, M. Breidenbach, T. Brunner, G. F. Cao, W. R. Cen, C. Chambers, B. Cleveland, M. Coon, A. Craycraft, W. Cree, T. Daniels, M. Danilov, S. J. Daugherty, J. DaughheteeJ. Davis, S. Delaquis, A. Der Mesrobian-Kabakian, R. Devoe, T. Didberidze, J. Dilling, A. Dolgolenko, M. J. Dolinski, W. Fairbank, J. Farine, S. Feyzbakhsh, P. Fierlinger, D. Fudenberg, R. Gornea, K. Graham, G. Gratta, C. Hall, J. Hoessl, P. Hufschmidt, M. Hughes, A. Jamil, M. J. Jewell, A. Johnson, S. Johnston, A. Karelin, L. J. Kaufman, T. Koffas, S. Kravitz, R. Krücken, A. Kuchenkov, K. S. Kumar, Y. Lan, D. S. Leonard, S. Li, C. Licciardi, Y. H. Lin, R. Maclellan, M. G. Marino, T. Michel, B. Mong, D. Moore, K. Murray, R. Nelson, O. Njoya, A. Odian, I. Ostrovskiy, A. Piepke, A. Pocar, F. Retière, P. C. Rowson, J. J. Russell, A. Schubert, D. Sinclair, E. Smith, V. Stekhanov, M. Tarka, T. Tolba, R. Tsang, P. Vogel, J. L. Vuilleumier, M. Wagenpfeil, A. Waite, J. Walton, T. Walton, M. Weber, L. J. Wen, U. Wichoski, L. Yang, Y. R. Yen, O. Ya Zeldovich, J. Zettlemoyer, T. Ziegler

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

12 Zitate (Scopus)

Abstract

Searches for double beta decay of Xe134 were performed with EXO-200, a single-phase liquid xenon detector designed to search for neutrinoless double beta decay of Xe136. Using an exposure of 29.6 kg·yr, the lower limits of T1/22νββ>8.7×1020 yr and T1/20νββ>1.1×1023 yr at 90% confidence level were derived, with corresponding half-life sensitivities of 1.2×1021 yr and 1.9×1023 yr. These limits exceed those in the literature for Xe134, improving by factors of nearly 105 and 2 for the two antineutrino and neutrinoless modes, respectively.

OriginalspracheEnglisch
Aufsatznummer092001
FachzeitschriftPhysical Review D
Jahrgang96
Ausgabenummer9
DOIs
PublikationsstatusVeröffentlicht - 3 Nov. 2017
Extern publiziertJa

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