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Title: Search for nucleon decays with EXO-200

In this paper, a search for instability of nucleons bound in 136Xe nuclei is reported with 223 kg·yr exposure of 136Xe in the EXO-200 experiment. Lifetime limits of 3.3 × 10 23 and 1.9 × 10 23 yr are established for nucleon decay to 133Sb and 133Te, respectively. These are the most stringent to date, exceeding the prior decay limits by a factor of 9 and 7, respectively.
Authors:
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Publication Date:
Grant/Contract Number:
AC0576RL01830
Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 97; Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org:
USDOE; National Science Foundation (NSF); Natural Sciences and Engineering Research Council of Canada (NSERC); Swiss National Science Foundation (SNF); Inst. for Basic Science (IBS); Russian Foundation for Basic Research (RFBR); German Research Foundation (DFG); Chinese Academy of Sciences (CAS), Beijing (China); International Science and Technology Cooperation Project (ISTCP); KARMEN collaboration; Waste Isolation Pilot Plant (WIPP)
Contributing Orgs:
EXO-200 Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; particle decays; rare decays; Baryons; Gauge bosons; time-projection chambers
OSTI Identifier:
1432590
Alternate Identifier(s):
OSTI ID: 1434671