Probing invisible neutrino decay with KM3NeT/ORCA

S. Aiello,A. Albert,S. Alves Garre, Z. Aly,A. Ambrosone, F. Ameli,M. Andre,M. Anghinolfi,M. Anguita,M. Ardid,S. Ardid,J. Aublin,C. Bagatelas, L. Bailly-Salins,B. Baret,S. Basegmez du Pree,Y. Becherini,M. Bendahman, F. Benfenati,E. Berbee,V. Bertin,S. Biagi,M. Boettcher,M. Bou Cabo,J. Boumaaza,M. Bouta,M. Bouwhuis,C. Bozza,H. Brânzaş,R. Bruijn,J. Brunner,R. Bruno,E. Buis,R. Buompane,J. Busto,B. Caiffi,D. Calvo, S. Campion, A. Capone, F. Carenini,V. Carretero,P. Castaldi,S. Celli, L. Cerisy,M. Chabab,N. Chau,A. Chen,R. Cherkaoui El Moursli,S. Cherubini, V. Chiarella,T. Chiarusi,M. Circella,R. Cocimano, J. A. B. Coelho,A. Coleiro,R. Coniglione,P. Coyle,A. Creusot,A. Cruz,G. Cuttone,R. Dallier, Y. Darras,A. De Benedittis, B. De Martino, V. Decoene,R. Del Burgo,I. Di Palma,A. F. Díaz,D. Diego-Tortosa,C. Distefano,A. Domi,C. Donzaud, D. Dornic,M. Dörr,E. Drakopoulou,D. Drouhin,T. Eberl, A. Eddyamoui,T. van Eeden, M. Eff,D. van Eijk,I. El Bojaddaini,S. El Hedri, A. Enzenhöfer,V. Espinosa,G. Ferrara,M. D. Filipović,F. Filippini,L. A. Fusco,J. Gabriel,T. Gal,J. García Méndez,A. Garcia Soto,F. Garufi,C. Gatius Oliver, N. Geißelbrecht,L. Gialanella,E. Giorgio, A. Girardi, I. Goos,S. R. Gozzini,R. Gracia,K. Graf, D. Guderian,C. Guidi, B. Guillon,M. Gutiérrez,L. Haegel,H. van Haren, A. Heijboer,A. Hekalo,L. Hennig,J. J. Hernández-Rey,F. Huang,W. Idrissi Ibnsalih,G. Illuminati,C. W. James, D. Janezashvili,M. de Jong,P. de Jong,B. J. Jung,P. Kalaczyński,O. Kalekin, U. F. Katz,N. R. Khan Chowdhury,G. Kistauri,F. van der Knaap,P. Kooijman, A. Kouchner,V. Kulikovskiy, M. Labalme,R. Lahmann, A. Lakhal,M. Lamoureux, G. Larosa,C. Lastoria, A. Lazo,R. Le Breton,S. Le Stum,G. Lehaut,E. Leonora, N. Lessing,G. Levi, S. Liang,M. Lindsey Clark,F. Longhitano,L. Maderer,J. Majumdar,J. Mańczak,A. Margiotta,A. Marinelli,C. Markou,L. Martin,J. A. Martínez-Mora, A. Martini,F. Marzaioli, M. Mastrodicasa,S. Mastroianni,K. W. Melis, S. Miccichè, G. Miele,P. Migliozzi,E. Migneco,P. Mijakowski,C. M. Mollo,L. Morales-Gallegos, C. Morley-Wong,A. Moussa, R. Muller, M. R. Musone,M. Musumeci,L. Nauta,S. Navas,C. A. Nicolau,B. Nkosi,B. Ó Fearraigh,A. Orlando, E. Oukacha,J. Palacios González,G. Papalashvili,R. Papaleo,E. J. Pastor Gomez, A. M. Păun,G. E. Păvălaş,C. Pellegrino,S. Peña Martínez,M. Perrin-Terrin, J. Perronnel,V. Pestel,P. Piattelli,O. Pisanti,C. Poirè,V. Popa,T. Pradier,S. Pulvirenti,G. Quéméner,U. Rahaman,N. Randazzo,S. Razzaque,I. C. Rea,D. Real,S. Reck,G. Riccobene,J. Robinson,A. Romanov,F. Salesa Greus,D. F. E. Samtleben,A. Sánchez Losa,M. Sanguineti,C. Santonastaso,D. Santonocito,P. Sapienza, A. Sathe,J. Schnabel,M. F. Schneider,J. Schumann,H. M. Schutte,J. Seneca,I. Sgura,R. Shanidze,A. Sharma,A. Simonelli,A. Sinopoulou, M. V. Smirnov,B. Spisso,M. Spurio,D. Stavropoulos,S. M. Stellacci,M. Taiuti, K. Tavzarashvili,Y. Tayalati, H. Tedjditi,T. Thakore, H. Thiersen, S. Tsagkli, V. Tsourapis,E. Tzamariudaki, V. Van Elewyck, G. Vannoye,G. Vasileiadis,F. Versari,S. Viola,D. Vivolo, H. Warnhofer,J. Wilms,E. de Wolf, H. Yepes-Ramirez, T. Yousfi,S. Zavatarelli,A. Zegarelli,D. Zito,J. D. Zornoza,J. Zúñiga,N. Zywucka

JOURNAL OF HIGH ENERGY PHYSICS（2023）

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Abstract

In the era of precision measurements of the neutrino oscillation parameters, upcoming neutrino experiments will also be sensitive to physics beyond the Standard Model. KM3NeT/ORCA is a neutrino detector optimised for measuring atmospheric neutrinos from a few GeV to around 100 GeV. In this paper, the sensitivity of the KM3NeT/ORCA detector to neutrino decay has been explored. A three-flavour neutrino oscillation scenario, where the third neutrino mass state ν 3 decays into an invisible state, e.g. a sterile neutrino, is considered. We find that KM3NeT/ORCA would be sensitive to invisible neutrino decays with 1 /α 3 = τ 3 /m 3 < 180 ps / eV at 90

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Key words

Beyond Standard Model,Neutrino Detectors and Telescopes (experiments),Oscillation

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