Sensitivity to light sterile neutrino mixing parameters with KM3NeT/ORCA

S. Aiello, A. Albert, M. Alshamsi,S. Alves Garre, Z. Aly,A. Ambrosone, F. Ameli,M. Andre, G. Androulakis, M. Anghinolfi,M. Anguita,G. Anton,M. Ardid,S. Ardid, J. Aublin, C. Bagatelas, B. Baret,S. Basegmez du Pree, M. Bendahman,F. Benfenati,E. Berbee,A. M. van den Berg,V. Bertin,S. Biagi, M. Bissinger, M. Boettcher,M. Bou Cabo,J. Boumaaza, M. Bouta,M. Bouwhuis,C. Bozza,H. Brânzaş, F. Bretaudeau,R. Bruijn,J. Brunner,R. Bruno, E. Buis,R. Buompane,J. Busto,B. Caiffi,D. Calvo, S. Campion,A. Capone, V. Carretero,P. Castaldi,S. Celli,M. Chabab,N. Chau,A. Chen,S. Cherubini, V. Chiarella,T. Chiarusi, M. Circella,R. Cocimano,J. A. B. Coelho, A. Coleiro,M. Colomer Molla,R. Coniglione,P. Coyle, A. Creusot,A. Cruz,G. Cuttone, R. Dallier,B. De Martino,M. De Palma,I. Di Palma,A. F. Díaz, D. Diego-Tortosa,C. Distefano,A. Domi,C. Donzaud, D. Dornic,M. Dörr, D. Drouhin,T. Eberl, A. Eddyamoui,T. van Eeden,D. van Eijk,I. El Bojaddaini, D. Elsaesser, A. Enzenhöfer,V. Espinosa,P. Fermani, G. Ferrara,M. D. Filipović,F. Filippini,L. A. Fusco,T. Gal,J. García Méndez,A. Garcia Soto,F. Garufi, Y. Gatelet, N. Geißelbrecht,L. Gialanella,E. Giorgio,S. R. Gozzini, R. Gracia,K. Graf,G. Grella, D. Guderian, C. Guidi,M. Gutiérrez,J. Haefner, S. Hallmann,H. Hamdaoui,H. van Haren, A. Heijboer,A. Hekalo,L. Hennig,J. J. Hernández-Rey, J. Hofestädt,F. Huang,W. Idrissi Ibnsalih, G. Illuminati,C. W. James,M. de Jong,P. de Jong,B. J. Jung,M. Kadler, P. Kalaczyński,O. Kalekin,U. F. Katz,N. R. Khan Chowdhury,G. Kistauri,F. van der Knaap,P. Kooijman,A. Kouchner,V. Kulikovskiy, R. Lahmann,M. Lamoureux,G. Lara,G. Larosa, C. Lastoria,R. Le Breton,S. Le Stum,O. Leonardi,F. Leone,E. Leonora, N. Lessing,G. Levi, M. Lincetto,M. Lindsey Clark, T. Lipreau,F. Longhitano,D. Lopez-Coto, A. Lygda, L. Maderer,J. Mańczak,K. Mannheim, A. Margiotta,A. Marinelli, C. Markou,L. Martin, J. A. Martínez-Mora,A. Martini, F. Marzaioli,S. Mastroianni, K. W. Melis, G. Miele,P. Migliozzi,E. Migneco,P. Mijakowski,L. S. Miranda, C. M. Mollo,M. Moser,A. Moussa,R. Muller, M. Musumeci, L. Nauta,S. Navas,C. A. Nicolau,B. Nkosi, B. Ó Fearraigh,M. O’Sullivan,M. Organokov,A. Orlando, J. Palacios González,G. Papalashvili,R. Papaleo,C. Pastore, A. M. Păun, G. E. Păvălaş,C. Pellegrino,S. Peña Martínez,M. Perrin-Terrin,V. Pestel, P. Piattelli,C. Pieterse, O. Pisanti, C. Poirè, V. Pontoriere, V. Popa,T. Pradier, I. Probst,G. Pühlhofer,S. Pulvirenti,N. Randazzo,S. Razzaque,D. Real, S. Reck,G. Riccobene,A. Romanov,A. Rovelli,F. Salesa Greus, D. F. E. Samtleben,A. Sánchez Losa, M. Sanguineti,A. Santangelo,D. Santonocito,P. Sapienza,J. Schnabel,M. F. Schneider,J. Schumann,H. M. Schutte, J. Seneca, I. Sgura,R. Shanidze,A. Sharma, A. Sinopoulou, B. Spisso,M. Spurio, D. Stavropoulos,S. M. Stellacci, M. Taiuti, F. Tatone,Y. Tayalati,T. Thakore, H. Thiersen,S. Tingay, S. Tsagkli, V. Tsourapis, E. Tzamariudaki, D. Tzanetatos,V. Van Elewyck, G. Vasileiadis,F. Versari,D. Vivolo,G. de Wasseige,J. Wilms, R. Wojaczyński,E. de Wolf, T. Yousfi,S. Zavatarelli, A. Zegarelli,D. Zito,J. D. Zornoza,J. Zúñiga,N. Zywucka

JOURNAL OF HIGH ENERGY PHYSICS（2021）

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摘要

KM3NeT/ORCA is a next-generation neutrino telescope optimised for atmospheric neutrino oscillations studies. In this paper, the sensitivity of ORCA to the presence of a light sterile neutrino in a 3+1 model is presented. After three years of data taking, ORCA will be able to probe the active-sterile mixing angles θ 14 , θ 24 , θ 34 and the effective angle θ μe , over a broad range of mass squared difference Δm_41^2 ∼ [10 − 5 , 10] eV 2 , allowing to test the eV-mass sterile neutrino hypothesis as the origin of short baseline anomalies, as well as probing the hypothesis of a very light sterile neutrino, not yet constrained by cosmology. ORCA will be able to explore a relevant fraction of the parameter space not yet reached by present measurements.

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Neutrino Detectors and Telescopes (experiments), Oscillation

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