Search for nucleon decays with EXO-200

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17 Scopus citations

Abstract

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.

Original languageEnglish
Article number072007
JournalPhysical Review D
Volume97
Issue number7
DOIs
StatePublished - Apr 1 2018

Bibliographical note

Publisher Copyright:
© 2018 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP.

Funding

EXO-200 is supported by the DOE and NSF in the United States, NSERC in Canada, SNF in Switzerland, Institute for Basic Science (IBS) in Korea, Russian Foundation for Basic Research (RFBR) in Russia, DFG in Germany, and CAS and International Science and Technology Cooperation Project (ISTCP) in China. EXO-200 data analysis and simulation uses resources of the National Energy Research Scientific Computing Center (NERSC). We gratefully acknowledge the KARMEN collaboration for supplying the cosmic-ray veto detectors, and the WIPP for their hospitality.

FundersFunder number
SNF in Switzerland, Institute for Basic Science
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China1506459, 1654495
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China
U.S. Department of Energy Oak Ridge National Laboratory U.S. Department of Energy National Science Foundation National Energy Research Scientific Computing Center
Natural Sciences and Engineering Research Council of Canada
Deutsche Forschungsgemeinschaft
Russian Foundation for Basic Research
Chinese Academy of Sciences
Institute for Basic Science (IBS)
International Science and Technology Cooperation Programme
Shanghai Science International Cooperation Project

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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