Search for nucleon decays with EXO-200

A search for instability of nucleons bound in Xe136 nuclei is reported with 223 kg·yr exposure of Xe136 in the EXO-200 experiment. Lifetime limits of 3.3×1023 and 1.9×1023 yr are established for nucleon decay to Sb133 and Te133, respectively. These are the most stringent to date, exceeding the prior...

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Veröffentlicht in:	Physical review. D 2018-04, Vol.97 (7), p.072007, Article 072007
Hauptverfasser:	Albert, J. B., Anton, G., Badhrees, I., Barbeau, P. S., Bayerlein, R., Beck, D., Belov, V., Breidenbach, M., Brunner, T., Cao, G. F., Cen, W. R., Chambers, C., Cleveland, B., Coon, M., Craycraft, A., Cree, W., Daniels, T., Danilov, M., Daugherty, S. J., Daughhetee, J., Davis, J., Delaquis, S., Der Mesrobian-Kabakian, A., DeVoe, R., Didberidze, T., Dilling, J., Dolgolenko, A., Dolinski, M. J., Fairbank, W., Farine, J., Feyzbakhsh, S., Fierlinger, P., Fudenberg, D., Gornea, R., Graham, K., Gratta, G., Hall, C., Hansen, E. V., Hoessl, J., Homiller, S., Hufschmidt, P., Hughes, M., Jamil, A., Jewell, M. J., Johnson, A., Johnston, S., Karelin, A., Kaufman, L. J., Koffas, T., Kravitz, S., Krücken, R., Kuchenkov, A., Kumar, K. S., Lan, Y., Leonard, D. S., Li, G. S., Li, S., Licciardi, C., Lin, Y. H., MacLellan, R., Michel, T., Mong, B., Moore, D., Murray, K., Nelson, R., Njoya, O., Odian, A., Ostrovskiy, I., Piepke, A., Pocar, A., Retière, F., Robinson, A. L., Rowson, P. C., Schmidt, S., Schubert, A., Sinclair, D., Soma, A. K., Stekhanov, V., Tarka, M., Tolba, T., Tsang, R., Vogel, P., Vuilleumier, J.-L., Wagenpfeil, M., Waite, A., Walton, T., Weber, M., Wen, L. J., Wichoski, U., Wrede, G., Yang, L., Yen, Y.-R., Zeldovich, O. Ya, Zettlemoyer, J., Ziegler, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Baryons Decay Gauge bosons INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Nucleons particle decays PHYSICS OF ELEMENTARY PARTICLES AND FIELDS rare decays Stability time-projection chambers
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Zusammenfassung:	A search for instability of nucleons bound in Xe136 nuclei is reported with 223 kg·yr exposure of Xe136 in the EXO-200 experiment. Lifetime limits of 3.3×1023 and 1.9×1023 yr are established for nucleon decay to Sb133 and Te133, respectively. These are the most stringent to date, exceeding the prior decay limits by a factor of 9 and 7, respectively.
ISSN:	2470-0010 2470-0029
DOI:	10.1103/PhysRevD.97.072007