Search for periodic modulations of the rate of double-<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>β</mi></math> decay of <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Mo</mi><mprescripts></mprescripts><none></none><mn>100</mn></mmultiscripts></math> in the NEMO-3 detector

The NEMO-3 Collaboration; R. Arnold; C. Augier; A. S. Barabash; A. Basharina-Freshville; S. Blondel; S. Blot; M. Bongrand; D. Boursette; R. Breier; V. Brudanin; J. Busto; A. J. Caffrey; S. Calvez; C. Cerna; J. P. Cesar; M. Ceschia; A. Chapon; E. Chauveau; A. Chopra; L. Dawson; D. Duchesneau; D. Durand; G. Eurin; J. J. Evans; L. Fajt; D. Filosofov; R. Flack; P. Franchini; X. Garrido; C. Girard-Carillo; H. Gómez; B. Guillon; P. Guzowski; R. Hodák; A. Huber; P. Hubert; C. Hugon; M. H. Hussain; 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; A. Minotti; B. Morgan; J. Mott; I. Nemchenok; M. Nomachi; F. Nova; F. Nowacki; H. Ohsumi; G. Oliviéro; R. B. Pahlka; V. Palusova; C. Patrick; F. Perrot; A. Pin; F. Piquemal; P. Povinec; P. Přidal; W. S. Quinn; Y. A. Ramachers; A. Remoto; J. L. Reyss; C. L. Riddle; E. Rukhadze; R. Saakyan; A. Salamatin; R. Salazar; X. Sarazin; J. Sedgbeer; Yu. Shitov; L. Simard; F. Šimkovic; A. Smetana; A. Smolnikov; S. Söldner-Rembold; B. Soulé; I. Štekl; J. Suhonen; C. S. Sutton; G. Szklarz; H. Tedjditi; 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

doi:10.1103/PhysRevC.104.L061601

Letter

Search for periodic modulations of the rate of double- $β$ decay of ${}^{100}{Mo}$ in the NEMO-3 detector

R. Arnold¹, C. Augier², A. S. Barabash³, A. Basharina-Freshville⁴, S. Blondel², S. Blot⁵, M. Bongrand², D. Boursette², R. Breier⁶ et al. (The NEMO-3 Collaboration)

R. Breier⁶, V. Brudanin^7,8, J. Busto⁹, A. J. Caffrey¹⁰, S. Calvez², C. Cerna¹¹, J. P. Cesar ¹², M. Ceschia⁴, A. Chapon¹³, E. Chauveau¹¹, A. Chopra⁴, L. Dawson⁴, D. Duchesneau¹⁴, D. Durand¹³, G. Eurin^2,4, J. J. Evans⁵, L. Fajt¹⁵, D. Filosofov⁷, R. Flack⁴, P. Franchini¹⁶, X. Garrido², C. Girard-Carillo², H. Gómez², B. Guillon¹³, P. Guzowski⁵, R. Hodák¹⁵, A. Huber¹¹, P. Hubert¹¹, C. Hugon¹¹, M. H. Hussain⁴, S. Jullian², A. Klimenko⁷, O. Kochetov⁷, S. I. Konovalov³, V. Kovalenko⁷, D. Lalanne², K. Lang¹², Y. Lemière¹³, T. Le Noblet¹⁴, Z. Liptak¹², X. R. Liu⁴, P. Loaiza², G. Lutter¹¹, M. Macko¹⁵, C. Macolino², F. Mamedov¹⁵, C. Marquet¹¹, F. Mauger¹³, A. Minotti¹⁴, B. Morgan¹⁷, J. Mott⁴, I. Nemchenok⁷, M. Nomachi¹⁸, F. Nova¹², F. Nowacki¹, H. Ohsumi¹⁹, G. Oliviéro¹³, R. B. Pahlka¹², V. Palusova^11,6, C. Patrick⁴, F. Perrot¹¹, A. Pin¹¹, F. Piquemal^11,20, P. Povinec⁶, P. Přidal¹⁵, W. S. Quinn⁴, Y. A. Ramachers¹⁷, A. Remoto¹⁴, J. L. Reyss²¹, C. L. Riddle¹⁰, E. Rukhadze¹⁵, R. Saakyan⁴, A. Salamatin⁷, R. Salazar¹², X. Sarazin², J. Sedgbeer¹⁶, Yu. Shitov^7,16, L. Simard^2,22, F. Šimkovic⁶, A. Smetana¹⁵, A. Smolnikov⁷, S. Söldner-Rembold⁵, B. Soulé¹¹, I. Štekl¹⁵, J. Suhonen²³, C. S. Sutton²⁴, G. Szklarz², H. Tedjditi⁹, J. Thomas⁴, V. Timkin⁷, S. Torre⁴, Vl. I. Tretyak²⁵, V. I. Tretyak⁷, V. I. Umatov³, I. Vanushin³, C. Vilela⁴, V. Vorobel²⁶, D. Waters⁴, and F. Xie⁴ (The NEMO-3 Collaboration)

¹IPHC, ULP, CNRS/IN2P3, F-67037 Strasbourg, France
²LAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91405 Orsay, France
³NRC “Kurchatov Institute,” ITEP, 117218 Moscow, Russia
⁴UCL, London WC1E 6BT, United Kingdom
⁵University of Manchester, Manchester M13 9PL, United Kingdom
⁶FMFI, Comenius University, SK-842 48 Bratislava, Slovakia
⁷JINR, 141980 Dubna, Russia
⁸National Research Nuclear University MEPhI, 115409 Moscow, Russia
⁹Aix Marseille Université, CNRS, CPPM, F-13288 Marseille, France
¹⁰Idaho National Laboratory, Idaho Falls, Idaho 83415, USA
¹¹Université de Bordeaux, CNRS, CENBG, UMR 5797, F-33170 Gradignan, France
¹²University of Texas at Austin, Austin, Texas 78712, USA
¹³LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 Caen, France
¹⁴LAPP, Université de Savoie, CNRS/IN2P3, F-74941 Annecy-le-Vieux, France
¹⁵Institute of Experimental and Applied Physics, Czech Technical University in Prague, CZ-11000 Prague, Czech Republic
¹⁶Imperial College London, London SW7 2AZ, United Kingdom
¹⁷University of Warwick, Coventry CV4 7AL, United Kingdom
¹⁸Osaka University, 1-1 Machikaneyama Toyonaka, Osaka 560-0043, Japan
¹⁹Saga University, Saga 840-8502, Japan
²⁰Laboratoire Souterrain de Modane, F-73500 Modane, France
²¹LSCE, CNRS, F-91190 Gif-sur-Yvette, France
²²Institut Universitaire de France, F-75005 Paris, France
²³Jyväskylä University, FIN-40351 Jyväskylä, Finland
²⁴MHC, South Hadley, Massachusetts 01075, USA
²⁵Institute for Nuclear Research, 03028, Kyiv, Ukraine
²⁶Charles University, Faculty of Mathematics and Physics, CZ-12116 Prague, Czech Republic

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Phys. Rev. C 104, L061601 – Published 8 December, 2021

DOI: https://doi.org/10.1103/PhysRevC.104.L061601

Abstract

Double-beta decays of ${}^{100}{Mo}$ from the 6.0195-year exposure of a 6.914 kg high-purity sample were recorded by the NEMO-3 experiment that searched for neutrinoless double-beta decays. These ultrarare transitions to ${}^{100}{Ru}$ have a half-life of approximately $7 \times 10^{18}$ years and have been used to conduct the first-ever search for periodic variations of this decay mode. The Lomb-Scargle periodogram technique, and its error-weighted extension, were employed to look for periodic modulations of the half-life. Data show no evidence at the 95% confidence level of modulations with amplitude greater than 2.5% in the frequency range of $0.33225 {yr}^{- 1}$ to $360 {yr}^{- 1}$ .

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Search for periodic modulations of the rate of double- $β$ decay of ${}^{100}{Mo}$ in the NEMO-3 detector

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Search for periodic modulations of the rate of double-β decay of Mo100 in the NEMO-3 detector

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Search for periodic modulations of the rate of double- $β$ decay of ${}^{100}{Mo}$ in the NEMO-3 detector