Search for Neutrinoless Quadruple-β Decay of Nd150 with the NEMO-3 Detector

Search for Neutrinoless Quadruple-β Decay of Nd150 with the NEMO-3 Detector We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-β decay of Nd150 using a total exposure of 0.19 kg yr recorded with the NEMO-3 detector at the Modane Underground Laboratory. We find no evidence of this decay and set lower limits on the half-life in the range T1/2>(1.1–3.2)×1021  yr at the 90% C.L., depending on the model used for the kinematic distributions of the emitted electrons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review Letters American Physical Society (APS)

Search for Neutrinoless Quadruple-β Decay of Nd150 with the NEMO-3 Detector

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Search for Neutrinoless Quadruple-β Decay of Nd150 with the NEMO-3 Detector

Abstract

We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-β decay of Nd150 using a total exposure of 0.19 kg yr recorded with the NEMO-3 detector at the Modane Underground Laboratory. We find no evidence of this decay and set lower limits on the half-life in the range T1/2>(1.1–3.2)×1021  yr at the 90% C.L., depending on the model used for the kinematic distributions of the emitted electrons.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
0031-9007
eISSN
1079-7114
D.O.I.
10.1103/PhysRevLett.119.041801
Publisher site
See Article on Publisher Site

Abstract

We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-β decay of Nd150 using a total exposure of 0.19 kg yr recorded with the NEMO-3 detector at the Modane Underground Laboratory. We find no evidence of this decay and set lower limits on the half-life in the range T1/2>(1.1–3.2)×1021  yr at the 90% C.L., depending on the model used for the kinematic distributions of the emitted electrons.

Journal

Physical Review LettersAmerican Physical Society (APS)

Published: Jul 28, 2017

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