Search for Majoron-emitting modes of double-beta decay ofXe136with EXO-200
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology2014Vol. 90(9)
Citations Over TimeTop 10% of 2014 papers
J. B. Albert, D. J. Auty, P. S. Barbeau, E. Beauchamp, D. Beck, V. Belov, C. Benitez-Medina, M. Breidenbach, T. Brunner, A. Burenkov, G. F. Cao, C. Chambers, Jorge Chaves, B. T. Cleveland, Minor J. Coon, A. Craycraft, T. Daniels, M. Danilov, S. J. Daugherty, C. G. Davis, J. Davis, R. DeVoe, S. Delaquis, T. Didberidze, A. Dolgolenko, M. J. Dolinski, M. Dunford, W. M. Fairbank, J. Farine, W. Feldmeier, P. Fierlinger, D. Fudenberg, G. Giroux, R. Gornea, K. Graham, G. Gratta, C. Hall, S. Herrin, M. Hughes, M. J. Jewell, X. S. Jiang, A. Johnson, T. N. Johnson, S. Johnston, A. Karelin, L. J. Kaufman, Ryan Killick, T. Koffas, S. Kravitz, A. Kuchenkov, K.S. Kumar, D. S. Leonard, François Léonard, C. Licciardi, Y. H. Lin, J. J. Ling, R. MacLellan, M. G. Marino, B. Mong, David C. Moore, R. Nelson, A. Odian, I. Ostrovskiy, C. Ouellet, A. Piepke, A. Pocar, C.Y. Prescott, A Rivas, P.C. Rowson, M. P. Rozo, J. J. Russell, A. Schubert, D. Sinclair, E. Smith, V. Stekhanov, M. Tarka, T. Tolba, D. Tosi, R. Tsang, K. Twelker, P. Vogel, J.-L. Vuilleumier, A. P. Waite, J. Walton, T. Walton, M. Weber, Liangjian Wen, U. Wichoski, L. Yang, Y.-R. Yen, O. Zeldovich
Abstract
EXO-200 is a single phase liquid xenon detector designed to search for neutrinoless double-beta decay of $^{136}\mathrm{Xe}$. Here, we report on a search for various Majoron-emitting modes based on 100 kg yr exposure of $^{136}\mathrm{Xe}$. A lower limit of ${T}_{1/2}^{^{136}\mathrm{Xe}}>1.2\ifmmode\times\else\texttimes\fi{}{10}^{24}\text{ }\text{ }\mathrm{yr}$ at 90% C.L. on the half-life of the spectral $\mathrm{index}=1$ Majoron decay was obtained, corresponding to a constraint on the Majoron-neutrino coupling constant of $|⟨{g}_{ee}^{M}⟩|<(0.8--1.7)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}$.
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