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Search for neutrinoless quadruple-$\beta$ decay of $^{150}$Nd with the NEMO-3 detector

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arxiv 1705.08847 v1 pith:V3IBHV2I submitted 2017-05-24 hep-ex nucl-ex

R. Arnold , C. Augier , A. S. Barabash , A. Basharina-Freshville , S. Blondel , S. Blot , M. Bongrand , D. Boursette
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V. Brudanin J. Busto A.J. Caffrey S. Calvez M. Cascella C. Cerna J. P. Cesar A. Chapon E. Chauveau A. Chopra L. Dawson D. Duchesneau D. Durand V. Egorov G. Eurin J. J. Evans L. Fajt D. Filosofov R. Flack X. Garrido H. Gómez B. Guillon P. Guzowski R. Hodák A. Huber P. Hubert C. Hugon S. Jullian A. Klimenko O. Kochetov S. I. Konovalov V. Kovalenko D. Lalanne K. Lang Y. Lemière T. Le Noblet Z. Liptak X. R. Liu P. Loaiza G. Lutter M. Macko C. Macolino F. Mamedov C. Marquet F. Mauger B. Morgan J. Mott I. Nemchenok M. Nomachi F. Nova F. Nowacki H. Ohsumi C. Patrick R. B. Pahlka F. Perrot F. Piquemal P. Povinec P. Přidal Y. A. Ramachers A. Remoto J. L. Reyss C. L. Riddle E. Rukhadze R. Saakyan R. Salazar X. Sarazin Yu. Shitov L. Simard F. Šimkovic A. Smetana K. Smolek A. Smolnikov S. Söldner-Rembold B. Soulé D. Štefánik I. Štekl J. Suhonen C. S. Sutton G. Szklarz J. Thomas V. Timkin S. Torre Vl. I. Tretyak V. I. Tretyak V. I. Umatov I. Vanushin C. Vilela V. Vorobel D. Waters F. Xie A. Žukauskas
This is my paper · ORCID
classification hep-exnucl-ex
keywords decaybetadetectornemo-3neutrinolessquadruple-searchcdot
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-$\beta$ decay of $^{150}$Nd using a total exposure of $0.19$ kg$\cdot$y recorded with the NEMO-3 detector at the Modane Underground Laboratory (LSM). We find no evidence of this decay and set lower limits on the half-life in the range $T_{1/2}>(1.1-3.2)\times10^{21}$ y at the $90\%$ CL, depending on the model used for the kinematic distributions of the emitted electrons.

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