Published November 1, 2014
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Search for Majoron-emitting modes of double-beta decay of ^(136)Xe with EXO-200
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Abstract
EXO-200 is a single phase liquid xenon detector designed to search for neutrinoless double-beta decay of ^(136)Xe. Here, we report on a search for various Majoron-emitting modes based on 100 kg yr exposure of ^(136)Xe. A lower limit of T^(136)Xe_(1/2) > 1.2 × 10^(24) yr at 90% C.L. on the half-life of the spectral index=1 Majoron decay was obtained, corresponding to a constraint on the Majoron-neutrino coupling constant of |⟨g^(M)_(ee)⟩| < (0.8–1.7) × 10^(−5).
Additional Information
© 2014 American Physical Society. Published 10 November 2014; received 24 September 2014. EXO-200 is supported by DOE and NSF in the United States, NSERC in Canada, SNF in Switzerland, NRF in Korea, RFBR-14-22-03028 in Russia, and DFG Cluster of Excellence "Universe" in Germany. EXO-200 data analysis and simulation uses resources of the National Energy Research Scientific Computing Center (NERSC), which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02- 05CH11231. The collaboration gratefully acknowledges the WIPP for their hospitality.Attached Files
Published - PhysRevD.90.092004.pdf
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PhysRevD.90.092004.pdf
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Additional details
Additional titles
- Alternative title
- Search for Majoron-emitting modes of double-beta decay of 136Xe with EXO-200
Identifiers
- Eprint ID
- 53100
- Resolver ID
- CaltechAUTHORS:20141222-131216536
Funding
- Department of Energy (DOE)
- NSF
- SNF
- NRF (Korea)
- Russian Foundation for Basic Research
- RFBR-14-22-03028
- Deutsche Forschungsgemeinschaft (DFG)
- Department of Energy (DOE)
- DE-AC02- 05CH11231
Dates
- Created
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2014-12-22Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field