Search for neutrinoless double-beta decay of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi>Mo</mi></mrow><mprescripts></mprescripts><none></none><mrow><mn>100</mn></mrow></mmultiscripts></mrow></math></span> with the NEMO-3 detector

NEMO-3 Collaboration; R. Arnold; C. Augier; J. D. Baker; A. S. Barabash; A. Basharina-Freshville; S. Blondel; S. Blot; M. Bongrand; V. Brudanin; J. Busto; A. J. Caffrey; C. Cerna; A. Chapon; E. Chauveau; D. Duchesneau; D. Durand; V. Egorov; G. Eurin; J. J. Evans; R. Flack; X. Garrido; H. Gómez; B. Guillon; P. Guzowski; R. Hodák; P. Hubert; C. Hugon; S. Jullian; A. Klimenko; O. Kochetov; S. I. Konovalov; V. Kovalenko; D. Lalanne; K. Lang; Y. Lemière; Z. Liptak; P. Loaiza; G. Lutter; F. Mamedov; C. Marquet; F. Mauger; B. Morgan; J. Mott; I. Nemchenok; M. Nomachi; F. Nova; F. Nowacki; H. Ohsumi; R. B. Pahlka; F. Perrot; F. Piquemal; P. Povinec; Y. A. Ramachers; A. Remoto; J. L. Reyss; B. Richards; C. L. Riddle; E. Rukhadze; R. Saakyan; X. Sarazin; Yu. Shitov; L. Simard; F. Šimkovic; A. Smetana; K. Smolek; A. Smolnikov; S. Söldner-Rembold; B. Soulé; 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; A. Žukauskas

doi:10.1103/PhysRevD.89.111101

Rapid Communication

Search for neutrinoless double-beta decay of ${}^{100}{Mo}$ with the NEMO-3 detector

R. Arnold¹, C. Augier², J. D. Baker^3,*, A. S. Barabash⁴, A. Basharina-Freshville⁵, S. Blondel², S. Blot⁶, M. Bongrand², V. Brudanin⁷ et al. (NEMO-3 Collaboration)

V. Brudanin⁷, J. Busto⁸, A. J. Caffrey³, C. Cerna⁹, A. Chapon¹⁰, E. Chauveau⁶, D. Duchesneau¹¹, D. Durand¹⁰, V. Egorov⁷, G. Eurin^2,5, J. J. Evans⁶, R. Flack⁵, X. Garrido², H. Gómez², B. Guillon¹⁰, P. Guzowski⁶, R. Hodák¹², P. Hubert⁹, C. Hugon⁹, S. Jullian², A. Klimenko⁷, O. Kochetov⁷, S. I. Konovalov⁴, V. Kovalenko⁷, D. Lalanne², K. Lang¹³, Y. Lemière¹⁰, Z. Liptak¹³, P. Loaiza¹⁴, G. Lutter⁹, F. Mamedov¹², C. Marquet⁹, F. Mauger¹⁰, B. Morgan¹⁵, J. Mott⁵, I. Nemchenok⁷, M. Nomachi¹⁶, F. Nova¹³, F. Nowacki¹, H. Ohsumi¹⁷, R. B. Pahlka¹³, F. Perrot⁹, F. Piquemal^9,14, P. Povinec¹⁸, Y. A. Ramachers¹⁵, A. Remoto¹¹, J. L. Reyss¹⁹, B. Richards⁵, C. L. Riddle³, E. Rukhadze¹², R. Saakyan⁵, X. Sarazin², Yu. Shitov^7,20, L. Simard^2,21, F. Šimkovic¹⁸, A. Smetana¹², K. Smolek¹², A. Smolnikov⁷, S. Söldner-Rembold⁶, B. Soulé⁹, I. Štekl¹², J. Suhonen²², C. S. Sutton²³, G. Szklarz², J. Thomas⁵, V. Timkin⁷, S. Torre⁵, Vl. I. Tretyak²⁴, V. I. Tretyak⁷, V. I. Umatov⁴, I. Vanushin⁴, C. Vilela⁵, V. Vorobel²⁵, D. Waters⁵, and A. Žukauskas²⁵ (NEMO-3 Collaboration)

¹IPHC, ULP, CNRS/IN2P3, F-67037 Strasbourg, France
²LAL, Université Paris-Sud, CNRS/IN2P3, F-91405 Orsay, France
³Idaho National Laboratory, Idaho Falls, Idaho 83415, USA
⁴ITEP, 117218 Moscow, Russia
⁵UCL, London WC1E 6BT, United Kingdom
⁶University of Manchester, Manchester M13 9PL, United Kingdom
⁷JINR, 141980 Dubna, Russia
⁸CPPM, Université de Marseille, CNRS/IN2P3, F-13288 Marseille, France
⁹CENBG, Université de Bordeaux, CNRS/IN2P3, F-33175 Gradignan, France
¹⁰LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 Caen, France
¹¹LAPP, Université de Savoie, CNRS/IN2P3, F-74941 Annecy-le-Vieux, France
¹²Institute of Experimental and Applied Physics, Czech Technical University in Prague, CZ-12800 Prague, Czech Republic
¹³University of Texas at Austin, Austin, Texas 78712, USA
¹⁴Laboratoire Souterrain de Modane, F-73500 Modane, France
¹⁵University of Warwick, Coventry CV4 7AL, United Kingdom
¹⁶Osaka University, 1-1 Machikaney arna Toyonaka, Osaka 560-0043, Japan
¹⁷Saga University, Saga 840-8502, Japan
¹⁸FMFI, Comenius University, SK-842 48 Bratislava, Slovakia
¹⁹LSCE, CNRS, F-91190 Gif-sur-Yvette, France
²⁰Imperial College London, London SW7 2AZ, United Kingdom
²¹Institut Universitaire de France, F-75005 Paris, France
²²Jyväskylä University, FIN-40351 Jyväskylä, Finland
²³MHC, South Hadley, Massachusetts 01075, USA
²⁴Institute for Nuclear Research, MSP 03680 Kyiv, Ukraine
²⁵Charles University in Prague, Faculty of Mathematics and Physics, CZ-12116 Prague, Czech Republic

^*Deceased.

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Phys. Rev. D 89, 111101(R) – Published 12 June, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.111101

Abstract

We report the results of a search for the neutrinoless double- $β$ decay ( $0 ν β β$ ) of ${}^{100}{Mo}$ , using the NEMO-3 detector to reconstruct the full topology of the final state events. With an exposure of $34.7 kg \cdot y$ , no evidence for the $0 ν β β$ signal has been found, yielding a limit for the light Majorana neutrino mass mechanism of $T_{1 / 2} (0 ν β β) > 1.1 \times 10^{24}$ 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 $⟨ m_{ν} ⟩ < 0.3 - 0.9 eV$ (90% C.L.). Constraints on other lepton number violating mechanisms of $0 ν β β$ 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 $47 kg \cdot y$ .

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Search for neutrinoless double-beta decay of ${}^{100}{Mo}$ with the NEMO-3 detector

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Search for neutrinoless double-beta decay of Mo100 with the NEMO-3 detector

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Search for neutrinoless double-beta decay of ${}^{100}{Mo}$ with the NEMO-3 detector