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Searches for double beta decay of ^(134)Xe with EXO-200

Albert, J. B. and Vogel, P. (2017) Searches for double beta decay of ^(134)Xe with EXO-200. Physical Review D, 96 (9). Art. No. 092001. ISSN 2470-0010.

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Searches for double beta decay of ^(134)Xe were performed with EXO-200, a single-phase liquid xenon detector designed to search for neutrinoless double beta decay of ^(136)Xe. Using an exposure of 29.6  kg⋅yr, the lower limits of T^(2νββ_+(1/2) > 8.7×10^(20)  yr and T^(0νββ)_(1/2) > 1.1×10^(23)  yr at 90% confidence level were derived, with corresponding half-life sensitivities of 1.2×10^(21)  yr and 1.9×10^(23)  yr. These limits exceed those in the literature for ^(134)Xe, improving by factors of nearly 105 and 2 for the two antineutrino and neutrinoless modes, respectively.

Item Type:Article
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URLURL TypeDescription Paper
Vogel, P.0000-0003-0587-5466
Additional Information:© 2017 American Physical Society. Received 19 April 2017; published 3 November 2017. The EXO-200 Collaboration acknowledges the KARMEN Collaboration for supplying the cosmic-ray veto detectors, and the WIPP for their hospitality. EXO-200 is supported by DOE and NSF in the United States, NSERC in Canada, SNF in Switzerland, IBS in Korea, RFBR in Russia, the DFG in Germany, and CAS and ISTCP in China. EXO-200 data analysis and simulation uses resources of the National Energy Research Scientific Computing Center (NERSC).
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Swiss National Science Foundation (SNSF)UNSPECIFIED
Institute for Basic Science (Korea)UNSPECIFIED
Russian Foundation for Basic ResearchUNSPECIFIED
Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
Chinese Academy of SciencesUNSPECIFIED
International S&T Cooperation Program of China (ISTCP)UNSPECIFIED
Issue or Number:9
Record Number:CaltechAUTHORS:20171106-111322526
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82979
Deposited By: Tony Diaz
Deposited On:06 Nov 2017 19:29
Last Modified:03 Oct 2019 19:00

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