Results of the search for neutrinoless double-beta decay in Mo-100 with the NEMO-3 experiment

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10320312" target="_blank" >RIV/00216208:11320/15:10320312 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1103/PhysRevD.92.072011" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.92.072011</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevD.92.072011" target="_blank" >10.1103/PhysRevD.92.072011</a>

Result language

angličtina

Original language name

Results of the search for neutrinoless double-beta decay in Mo-100 with the NEMO-3 experiment

Original language description

The NEMO-3 detector, which had been operating in the Modane Underground Laboratory from 2003 to 2010, was designed to search for neutrinoless double-beta (0 nu beta beta) decay. We report the final results of a search for 0 nu beta beta decays with 6.914kg of Mo-100 using the entire NEMO-3 data set with a detector live time of 4.96 yr, which corresponds to an exposure of 34.3 kg . yr. We perform a detailed study of the expected background in the 0 nu beta beta signal region and find no evidence of 0 nubeta beta decays in the data. The level of observed background in the 0 nu beta beta signal region [2.8-3.2] MeV is 0.44 +/- 0.13 counts/yr/kg, and no events are observed in the interval [3.2-10] MeV. We therefore derive a lower limit on the half-life of 0 nu beta beta decays in Mo-100 of T-1/2(0 nu beta beta) > 1.1 x 10(24) yr at the 90% confidence level, under the hypothesis of decay kinematics similar to that for light Majorana neutrino exchange. Depending on the model used for calcu

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BF - Elementary particle theory and high energy physics

OECD FORD branch

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Project

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Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physical Review D - Particles, Fields, Gravitation and Cosmology

ISSN

1550-7998

e-ISSN

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Volume of the periodical

92

Issue of the periodical within the volume

7

Country of publishing house

US - UNITED STATES

Number of pages

23

Pages from-to

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UT code for WoS article

000363237400002

EID of the result in the Scopus database

2-s2.0-84945370746