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

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11 Scopus citations


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.

Original languageEnglish
Article number092001
JournalPhysical Review D
Issue number9
StatePublished - Nov 3 2017

Bibliographical note

Publisher Copyright:
© 2017 American Physical Society.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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