5 years ago

Search for nucleon decays with EXO-200.

Y. Lan, D. Fudenberg, J. Daughhetee, V. Belov, D. Moore, Y.H. Lin, R. DeVoe, P.S. Barbeau, I. Badhrees, M.J. Dolinski, J. Davis, T. Michel, A. Der Mesrobian-Kabakian, B. Cleveland, C. Chambers, T. Brunner, P. Hufschmidt, K. Murray, T. Koffas, A. Kuchenkov, S. Li, A. Jamil, S. Kravitz, K. Graham, A. Odian, B. Mong, L.J. Kaufman, G. Anton, C. Hall, J. Farine, K.S. Kumar, M. Danilov, E.V. Hansen, T. Didberidze, A. Craycraft, J.B. Albert, R. MacLellan, S. Johnston, A. Karelin, M.J. Jewell, R. Gornea, D. Beck, S. Homiller, R. Nelson, D.S. Leonard, S. Feyzbakhsh, M. Coon, M. Hughes, W. Cree, T. Daniels, A. Dolgolenko, A. Johnson, G. Gratta, O. Njoya, S.J. Daugherty, W.R. Cen, G.F. Cao, S. Delaquis, J. Hoessl, M. Breidenbach, W. Fairbank Jr., C. Licciardi, J. Dilling, R. Bayerlein, P. Fierlinger

A search for instability of nucleons bound in $^{136}$Xe nuclei is reported with 130 kg$\cdot$yr exposure of $^{136}$Xe in the EXO-200 experiment. Lifetime limits of 2.4$\times 10^{23}$ and 1.1$\times 10^{23}$~yrs are established for nucleon decay to $^{133}$Sb and $^{133}$Te, respectively. These are the most stringent to date, exceeding the prior decay limits by a factor of 6 and 4, respectively.

Publisher URL: http://arxiv.org/abs/1710.07670

DOI: arXiv:1710.07670v2

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