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Search for neutrinoless double-beta decay of Mo100 with the NEMO-3 detector
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NEMO-3 Collaboration (Including: Morgan, B. (Ben), Ramachers , Y. and , ). (2014) Search for neutrinoless double-beta decay of Mo100 with the NEMO-3 detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 5 (Number 89). Article number 111101. doi:10.1103/PhysRevD.89.111101 ISSN 1550-7998.
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Official URL: http://dx.doi.org./10.1103/PhysRevD.89.111101
Abstract
We report the results of a search for the neutrinoless double-β decay (0νββ) of Mo100, using the NEMO-3 detector to reconstruct the full topology of the final state events. With an exposure of 34.7 kg·y, no evidence for the 0νββ signal has been found, yielding a limit for the light Majorana neutrino mass mechanism of T1/2(0νββ)>1.1×1024 years (90% C.L.) once both statistical and systematic uncertainties are taken into account. Depending on the nuclear matrix elements this corresponds to an upper limit on the Majorana effective neutrino mass of ⟨mν⟩<0.3–0.9 eV (90% C.L.). Constraints on other lepton number violating mechanisms of 0νββ decays are also given. Searching for high-energy double electron events in all suitable sources of the detector, no event in the energy region [3.2–10] MeV is observed for an exposure of 47 kg·y.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QC Physics | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
Library of Congress Subject Headings (LCSH): | Neutrinos -- Mass | ||||||
Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||||
Publisher: | American Physical Society | ||||||
ISSN: | 1550-7998 | ||||||
Official Date: | 12 June 2014 | ||||||
Dates: |
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Volume: | Volume 5 | ||||||
Number: | Number 89 | ||||||
Number of Pages: | 6 | ||||||
Article Number: | Article number 111101 | ||||||
DOI: | 10.1103/PhysRevD.89.111101 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Date of first compliant deposit: | 27 December 2015 | ||||||
Date of first compliant Open Access: | 27 December 2015 | ||||||
Funder: | Science and Technology Facilities Council (Great Britain) (STFC), Grantová agentura České republiky [Grant Agency of the Czech Republic] (GACR), Centre national de la recherche scientifique (France) (CNRS), Institut national de physique nucléaire et de physique des particules (IN2P3), Rossiĭskiĭ fond fundamentalʹnykh issledovaniĭ [Russian Foundation for Basic Research] (RFBR), National Science Foundation (U.S.) (NSF) |
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