Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA
International audience KM3NeT/ORCA is a water Cherenkov neutrino detector under construction and anchored at the bottom of the Mediterranean Sea. The detector is designed to study oscillations of atmospheric neutrinos and determine the neutrino mass ordering. This paper focuses on an initial configu...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Report |
Language: | English |
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HAL CCSD
2024
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Online Access: | https://hal.science/hal-04679229 |
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neutrino mass detector atmosphere oscillation KM3NeT water Cherenkov [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] |
spellingShingle |
neutrino mass detector atmosphere oscillation KM3NeT water Cherenkov [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] Aiello, S Albert, A Alhebsi, A.R Alshamsi, M Garre, S. Alves Ambrosone, A Ameli, F Andre, M Androutsou, E Aphecetche, L Ardid, M Ardid, S Atmani, H Aublin, J Badaracco, F Bailly-Salins, L Bardačová, Z Baret, B Bariego-Quintana, A Becherini, Y Bendahman, M Benfenati, F Benhassi, M Bennani, M Benoit, D.M Berbee, E Bertin, V Beyer, C Biagi, S Boettcher, M Bonanno, D Boumaaza, J Bouta, M Bouwhuis, M Bozza, C Bozza, R.M Brânzaş, H Bretaudeau, F Breuhaus, M Bruijn, R Brunner, J Bruno, R Buis, E Buompane, R Busto, J Caiffi, B Calvo, D Capone, A Carenini, F Carretero, V Cartraud, T Castaldi, P Cecchini, V Celli, S Cerisy, L Chabab, M Chadolias, M Chen, A Cherubini, S Chiarusi, T Circella, M Cocimano, R Coelho, J.A.B Coleiro, A Condorelli, A Coniglione, R Coyle, P Creusot, A Cuttone, G Dallier, R Darras, Y de Benedittis, A de Martino, B de Wasseige, G Decoene, V del Rosso, I Di Mauro, L.S Di Palma, I Díaz, A.F Diego-Tortosa, D Distefano, C Domi, A Donzaud, C Dornic, D Drakopoulou, E Drouhin, D Ducoin, J.-G Dvornický, R Eberl, T Eckerová, E Eddymaoui, A van Eeden, T Eff, M van Eijk, D Bojaddaini, I. El El Hedri, S Ellajosyula, V Enzenhöfer, A Ferrara, G Filipović, M.D Filippini, F Franciotti, D Fusco, L.A Gagliardini, S Gal, T Méndez, J. García Garcia Soto, A Oliver, C. Gatius Geißelbrecht, N Genton, E Ghaddari, H Gialanella, L Gibson, B.K Giorgio, E Goos, I Goswami, P Gozzini, S.R Gracia, R Guidi, C Guillon, B Gutiérrez, M Haack, C van Haren, H Heijboer, A Hennig, L Hernández-Rey, J.J Ibnsalih, W. Idrissi Illuminati, G Joly, D de Jong, M de Jong, P Jung, B.J Kistauri, G Kopper, C Kouchner, A Kovalev, Y.Y Kueviakoe, V Kulikovskiy, V Kvatadze, R Labalme, M Lahmann, R Lamoureux, M Larosa, G Lastoria, C Lazo, A Le Stum, S Lehaut, G Lemaître, V Leonora, E Lessing, N Levi, G Clark, M. Lindsey Longhitano, F Magnani, F Majumdar, J Malerba, L Mamedov, F Mańczak, J Manfreda, A Marconi, M Margiotta, A Marinelli, A Markou, C Martin, L Mastrodicasa, M Mastroianni, S Mauro, J Miele, G Migliozzi, P Migneco, E Mitsou, M.L Mollo, C.M Morales-Gallegos, L Moretti, G Moussa, A Mateo, I. Mozun Muller, R Musone, M.R Musumeci, M Napoli, P Navas, S Nayerhoda, A Nicolau, C.A Nkosi, B Fearraigh, B.Ó Oliviero, V Orlando, A Oukacha, E Paesani, D Palacios González, J Papalashvili, G Parisi, V Gomez, E.J. Pastor Păun, A.M Păvălaş, G.E Pelegris, I Martínez, S. Peña Perrin-Terrin, M Pestel, V Pestes, R Piattelli, P Plavin, A Poirè, C Popa, V Pradier, T Prado, J Pulvirenti, S Quiroz-Rangel, C.A Rahaman, U Randazzo, N Razzaque, S Rea, I.C Real, D Riccobene, G Robinson, J Romanov, A Ros, E Šaina, A Salesa Greus, F Samtleben, D.F.E Sánchez Losa, A Sanfilippo, S Sanguineti, M Santonocito, D Sapienza, P Schnabel, J Schumann, J Schutte, H.M Seneca, J Sennan, N Setter, B Sgura, I Shanidze, R Sharma, A Shitov, Y Šimkovic, F Simonelli, A Sinopoulou, A Spisso, B Spurio, M Stavropoulos, D Štekl, I Stellacci, S.M Taiuti, M Tayalati, Y Thiersen, H Thoudam, S de la Torre, P Tosta E Melo, I Tragia, E Trocmé, B Tsourapis, V Tudorache, A Tzamariudaki, E Ukleja, A Vacheret, A Valsecchi, V van Elewyck, V Vannoye, G Vasileiadis, G de Sola, F. Vazquez Veutro, A Viola, S Vivolo, D van Vliet, A Warnhofer, H Weissbrod, S de Wolf, E Yvon, I Zarpapis, G Zavatarelli, S Zegarelli, A Zito, D Zornoza, J.D Zúñiga, J Zywucka, N Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
topic_facet |
neutrino mass detector atmosphere oscillation KM3NeT water Cherenkov [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] |
description |
International audience KM3NeT/ORCA is a water Cherenkov neutrino detector under construction and anchored at the bottom of the Mediterranean Sea. The detector is designed to study oscillations of atmospheric neutrinos and determine the neutrino mass ordering. This paper focuses on an initial configuration of ORCA, referred to as ORCA6, which comprises six out of the foreseen 115 detection units of photo-sensors. A high-purity neutrino sample was extracted, corresponding to an exposure of 433 kton-years. The sample of 5828 neutrino candidates is analysed following a binned log-likelihood method in the reconstructed energy and cosine of the zenith angle. The atmospheric oscillation parameters are measured to be $\sin^2\theta_{23}= 0.51^{+0.04}_{-0.05}$, and $ \Delta m^2_{31} = 2.14^{+0.25}_{-0.35}\times 10^{-3}~\mathrm{eV^2} \cup \{-2.25,-1.76\}\times 10^{-3}~\mathrm{eV^2}$ at 68% CL. The inverted neutrino mass ordering hypothesis is disfavoured with a p-value of 0.25. |
author2 |
Institut Pluridisciplinaire Hubert Curien (IPHC) Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA)) Centre de Physique des Particules de Marseille (CPPM) Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de physique subatomique et des technologies associées (SUBATECH) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique) Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST) Nantes Université - pôle Sciences et technologie Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ) AstroParticule et Cosmologie (APC (UMR_7164)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Laboratoire de physique corpusculaire de Caen (LPCC) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN) Normandie Université (NU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique de Clermont (LPC) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA) Institut universitaire de France (IUF) Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.) Laboratoire Univers et Particules de Montpellier (LUPM) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM) KM3NeT |
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Aiello, S Albert, A Alhebsi, A.R Alshamsi, M Garre, S. Alves Ambrosone, A Ameli, F Andre, M Androutsou, E Aphecetche, L Ardid, M Ardid, S Atmani, H Aublin, J Badaracco, F Bailly-Salins, L Bardačová, Z Baret, B Bariego-Quintana, A Becherini, Y Bendahman, M Benfenati, F Benhassi, M Bennani, M Benoit, D.M Berbee, E Bertin, V Beyer, C Biagi, S Boettcher, M Bonanno, D Boumaaza, J Bouta, M Bouwhuis, M Bozza, C Bozza, R.M Brânzaş, H Bretaudeau, F Breuhaus, M Bruijn, R Brunner, J Bruno, R Buis, E Buompane, R Busto, J Caiffi, B Calvo, D Capone, A Carenini, F Carretero, V Cartraud, T Castaldi, P Cecchini, V Celli, S Cerisy, L Chabab, M Chadolias, M Chen, A Cherubini, S Chiarusi, T Circella, M Cocimano, R Coelho, J.A.B Coleiro, A Condorelli, A Coniglione, R Coyle, P Creusot, A Cuttone, G Dallier, R Darras, Y de Benedittis, A de Martino, B de Wasseige, G Decoene, V del Rosso, I Di Mauro, L.S Di Palma, I Díaz, A.F Diego-Tortosa, D Distefano, C Domi, A Donzaud, C Dornic, D Drakopoulou, E Drouhin, D Ducoin, J.-G Dvornický, R Eberl, T Eckerová, E Eddymaoui, A van Eeden, T Eff, M van Eijk, D Bojaddaini, I. El El Hedri, S Ellajosyula, V Enzenhöfer, A Ferrara, G Filipović, M.D Filippini, F Franciotti, D Fusco, L.A Gagliardini, S Gal, T Méndez, J. García Garcia Soto, A Oliver, C. Gatius Geißelbrecht, N Genton, E Ghaddari, H Gialanella, L Gibson, B.K Giorgio, E Goos, I Goswami, P Gozzini, S.R Gracia, R Guidi, C Guillon, B Gutiérrez, M Haack, C van Haren, H Heijboer, A Hennig, L Hernández-Rey, J.J Ibnsalih, W. Idrissi Illuminati, G Joly, D de Jong, M de Jong, P Jung, B.J Kistauri, G Kopper, C Kouchner, A Kovalev, Y.Y Kueviakoe, V Kulikovskiy, V Kvatadze, R Labalme, M Lahmann, R Lamoureux, M Larosa, G Lastoria, C Lazo, A Le Stum, S Lehaut, G Lemaître, V Leonora, E Lessing, N Levi, G Clark, M. Lindsey Longhitano, F Magnani, F Majumdar, J Malerba, L Mamedov, F Mańczak, J Manfreda, A Marconi, M Margiotta, A Marinelli, A Markou, C Martin, L Mastrodicasa, M Mastroianni, S Mauro, J Miele, G Migliozzi, P Migneco, E Mitsou, M.L Mollo, C.M Morales-Gallegos, L Moretti, G Moussa, A Mateo, I. Mozun Muller, R Musone, M.R Musumeci, M Napoli, P Navas, S Nayerhoda, A Nicolau, C.A Nkosi, B Fearraigh, B.Ó Oliviero, V Orlando, A Oukacha, E Paesani, D Palacios González, J Papalashvili, G Parisi, V Gomez, E.J. Pastor Păun, A.M Păvălaş, G.E Pelegris, I Martínez, S. Peña Perrin-Terrin, M Pestel, V Pestes, R Piattelli, P Plavin, A Poirè, C Popa, V Pradier, T Prado, J Pulvirenti, S Quiroz-Rangel, C.A Rahaman, U Randazzo, N Razzaque, S Rea, I.C Real, D Riccobene, G Robinson, J Romanov, A Ros, E Šaina, A Salesa Greus, F Samtleben, D.F.E Sánchez Losa, A Sanfilippo, S Sanguineti, M Santonocito, D Sapienza, P Schnabel, J Schumann, J Schutte, H.M Seneca, J Sennan, N Setter, B Sgura, I Shanidze, R Sharma, A Shitov, Y Šimkovic, F Simonelli, A Sinopoulou, A Spisso, B Spurio, M Stavropoulos, D Štekl, I Stellacci, S.M Taiuti, M Tayalati, Y Thiersen, H Thoudam, S de la Torre, P Tosta E Melo, I Tragia, E Trocmé, B Tsourapis, V Tudorache, A Tzamariudaki, E Ukleja, A Vacheret, A Valsecchi, V van Elewyck, V Vannoye, G Vasileiadis, G de Sola, F. Vazquez Veutro, A Viola, S Vivolo, D van Vliet, A Warnhofer, H Weissbrod, S de Wolf, E Yvon, I Zarpapis, G Zavatarelli, S Zegarelli, A Zito, D Zornoza, J.D Zúñiga, J Zywucka, N |
author_facet |
Aiello, S Albert, A Alhebsi, A.R Alshamsi, M Garre, S. Alves Ambrosone, A Ameli, F Andre, M Androutsou, E Aphecetche, L Ardid, M Ardid, S Atmani, H Aublin, J Badaracco, F Bailly-Salins, L Bardačová, Z Baret, B Bariego-Quintana, A Becherini, Y Bendahman, M Benfenati, F Benhassi, M Bennani, M Benoit, D.M Berbee, E Bertin, V Beyer, C Biagi, S Boettcher, M Bonanno, D Boumaaza, J Bouta, M Bouwhuis, M Bozza, C Bozza, R.M Brânzaş, H Bretaudeau, F Breuhaus, M Bruijn, R Brunner, J Bruno, R Buis, E Buompane, R Busto, J Caiffi, B Calvo, D Capone, A Carenini, F Carretero, V Cartraud, T Castaldi, P Cecchini, V Celli, S Cerisy, L Chabab, M Chadolias, M Chen, A Cherubini, S Chiarusi, T Circella, M Cocimano, R Coelho, J.A.B Coleiro, A Condorelli, A Coniglione, R Coyle, P Creusot, A Cuttone, G Dallier, R Darras, Y de Benedittis, A de Martino, B de Wasseige, G Decoene, V del Rosso, I Di Mauro, L.S Di Palma, I Díaz, A.F Diego-Tortosa, D Distefano, C Domi, A Donzaud, C Dornic, D Drakopoulou, E Drouhin, D Ducoin, J.-G Dvornický, R Eberl, T Eckerová, E Eddymaoui, A van Eeden, T Eff, M van Eijk, D Bojaddaini, I. El El Hedri, S Ellajosyula, V Enzenhöfer, A Ferrara, G Filipović, M.D Filippini, F Franciotti, D Fusco, L.A Gagliardini, S Gal, T Méndez, J. García Garcia Soto, A Oliver, C. Gatius Geißelbrecht, N Genton, E Ghaddari, H Gialanella, L Gibson, B.K Giorgio, E Goos, I Goswami, P Gozzini, S.R Gracia, R Guidi, C Guillon, B Gutiérrez, M Haack, C van Haren, H Heijboer, A Hennig, L Hernández-Rey, J.J Ibnsalih, W. Idrissi Illuminati, G Joly, D de Jong, M de Jong, P Jung, B.J Kistauri, G Kopper, C Kouchner, A Kovalev, Y.Y Kueviakoe, V Kulikovskiy, V Kvatadze, R Labalme, M Lahmann, R Lamoureux, M Larosa, G Lastoria, C Lazo, A Le Stum, S Lehaut, G Lemaître, V Leonora, E Lessing, N Levi, G Clark, M. Lindsey Longhitano, F Magnani, F Majumdar, J Malerba, L Mamedov, F Mańczak, J Manfreda, A Marconi, M Margiotta, A Marinelli, A Markou, C Martin, L Mastrodicasa, M Mastroianni, S Mauro, J Miele, G Migliozzi, P Migneco, E Mitsou, M.L Mollo, C.M Morales-Gallegos, L Moretti, G Moussa, A Mateo, I. Mozun Muller, R Musone, M.R Musumeci, M Napoli, P Navas, S Nayerhoda, A Nicolau, C.A Nkosi, B Fearraigh, B.Ó Oliviero, V Orlando, A Oukacha, E Paesani, D Palacios González, J Papalashvili, G Parisi, V Gomez, E.J. Pastor Păun, A.M Păvălaş, G.E Pelegris, I Martínez, S. Peña Perrin-Terrin, M Pestel, V Pestes, R Piattelli, P Plavin, A Poirè, C Popa, V Pradier, T Prado, J Pulvirenti, S Quiroz-Rangel, C.A Rahaman, U Randazzo, N Razzaque, S Rea, I.C Real, D Riccobene, G Robinson, J Romanov, A Ros, E Šaina, A Salesa Greus, F Samtleben, D.F.E Sánchez Losa, A Sanfilippo, S Sanguineti, M Santonocito, D Sapienza, P Schnabel, J Schumann, J Schutte, H.M Seneca, J Sennan, N Setter, B Sgura, I Shanidze, R Sharma, A Shitov, Y Šimkovic, F Simonelli, A Sinopoulou, A Spisso, B Spurio, M Stavropoulos, D Štekl, I Stellacci, S.M Taiuti, M Tayalati, Y Thiersen, H Thoudam, S de la Torre, P Tosta E Melo, I Tragia, E Trocmé, B Tsourapis, V Tudorache, A Tzamariudaki, E Ukleja, A Vacheret, A Valsecchi, V van Elewyck, V Vannoye, G Vasileiadis, G de Sola, F. Vazquez Veutro, A Viola, S Vivolo, D van Vliet, A Warnhofer, H Weissbrod, S de Wolf, E Yvon, I Zarpapis, G Zavatarelli, S Zegarelli, A Zito, D Zornoza, J.D Zúñiga, J Zywucka, N |
author_sort |
Aiello, S |
title |
Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
title_short |
Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
title_full |
Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
title_fullStr |
Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
title_full_unstemmed |
Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA |
title_sort |
measurement of neutrino oscillation parameters with the first six detection units of km3net/orca |
publisher |
HAL CCSD |
publishDate |
2024 |
url |
https://hal.science/hal-04679229 |
genre |
Orca |
genre_facet |
Orca |
op_source |
https://hal.science/hal-04679229 2024 |
op_relation |
info:eu-repo/semantics/altIdentifier/arxiv/2408.07015 hal-04679229 https://hal.science/hal-04679229 ARXIV: 2408.07015 INSPIRE: 2817709 |
_version_ |
1812817236247707648 |
spelling |
ftimtatlantique:oai:HAL:hal-04679229v1 2024-10-13T14:10:05+00:00 Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA Aiello, S Albert, A Alhebsi, A.R Alshamsi, M Garre, S. Alves Ambrosone, A Ameli, F Andre, M Androutsou, E Aphecetche, L Ardid, M Ardid, S Atmani, H Aublin, J Badaracco, F Bailly-Salins, L Bardačová, Z Baret, B Bariego-Quintana, A Becherini, Y Bendahman, M Benfenati, F Benhassi, M Bennani, M Benoit, D.M Berbee, E Bertin, V Beyer, C Biagi, S Boettcher, M Bonanno, D Boumaaza, J Bouta, M Bouwhuis, M Bozza, C Bozza, R.M Brânzaş, H Bretaudeau, F Breuhaus, M Bruijn, R Brunner, J Bruno, R Buis, E Buompane, R Busto, J Caiffi, B Calvo, D Capone, A Carenini, F Carretero, V Cartraud, T Castaldi, P Cecchini, V Celli, S Cerisy, L Chabab, M Chadolias, M Chen, A Cherubini, S Chiarusi, T Circella, M Cocimano, R Coelho, J.A.B Coleiro, A Condorelli, A Coniglione, R Coyle, P Creusot, A Cuttone, G Dallier, R Darras, Y de Benedittis, A de Martino, B de Wasseige, G Decoene, V del Rosso, I Di Mauro, L.S Di Palma, I Díaz, A.F Diego-Tortosa, D Distefano, C Domi, A Donzaud, C Dornic, D Drakopoulou, E Drouhin, D Ducoin, J.-G Dvornický, R Eberl, T Eckerová, E Eddymaoui, A van Eeden, T Eff, M van Eijk, D Bojaddaini, I. El El Hedri, S Ellajosyula, V Enzenhöfer, A Ferrara, G Filipović, M.D Filippini, F Franciotti, D Fusco, L.A Gagliardini, S Gal, T Méndez, J. García Garcia Soto, A Oliver, C. Gatius Geißelbrecht, N Genton, E Ghaddari, H Gialanella, L Gibson, B.K Giorgio, E Goos, I Goswami, P Gozzini, S.R Gracia, R Guidi, C Guillon, B Gutiérrez, M Haack, C van Haren, H Heijboer, A Hennig, L Hernández-Rey, J.J Ibnsalih, W. Idrissi Illuminati, G Joly, D de Jong, M de Jong, P Jung, B.J Kistauri, G Kopper, C Kouchner, A Kovalev, Y.Y Kueviakoe, V Kulikovskiy, V Kvatadze, R Labalme, M Lahmann, R Lamoureux, M Larosa, G Lastoria, C Lazo, A Le Stum, S Lehaut, G Lemaître, V Leonora, E Lessing, N Levi, G Clark, M. Lindsey Longhitano, F Magnani, F Majumdar, J Malerba, L Mamedov, F Mańczak, J Manfreda, A Marconi, M Margiotta, A Marinelli, A Markou, C Martin, L Mastrodicasa, M Mastroianni, S Mauro, J Miele, G Migliozzi, P Migneco, E Mitsou, M.L Mollo, C.M Morales-Gallegos, L Moretti, G Moussa, A Mateo, I. Mozun Muller, R Musone, M.R Musumeci, M Napoli, P Navas, S Nayerhoda, A Nicolau, C.A Nkosi, B Fearraigh, B.Ó Oliviero, V Orlando, A Oukacha, E Paesani, D Palacios González, J Papalashvili, G Parisi, V Gomez, E.J. Pastor Păun, A.M Păvălaş, G.E Pelegris, I Martínez, S. Peña Perrin-Terrin, M Pestel, V Pestes, R Piattelli, P Plavin, A Poirè, C Popa, V Pradier, T Prado, J Pulvirenti, S Quiroz-Rangel, C.A Rahaman, U Randazzo, N Razzaque, S Rea, I.C Real, D Riccobene, G Robinson, J Romanov, A Ros, E Šaina, A Salesa Greus, F Samtleben, D.F.E Sánchez Losa, A Sanfilippo, S Sanguineti, M Santonocito, D Sapienza, P Schnabel, J Schumann, J Schutte, H.M Seneca, J Sennan, N Setter, B Sgura, I Shanidze, R Sharma, A Shitov, Y Šimkovic, F Simonelli, A Sinopoulou, A Spisso, B Spurio, M Stavropoulos, D Štekl, I Stellacci, S.M Taiuti, M Tayalati, Y Thiersen, H Thoudam, S de la Torre, P Tosta E Melo, I Tragia, E Trocmé, B Tsourapis, V Tudorache, A Tzamariudaki, E Ukleja, A Vacheret, A Valsecchi, V van Elewyck, V Vannoye, G Vasileiadis, G de Sola, F. Vazquez Veutro, A Viola, S Vivolo, D van Vliet, A Warnhofer, H Weissbrod, S de Wolf, E Yvon, I Zarpapis, G Zavatarelli, S Zegarelli, A Zito, D Zornoza, J.D Zúñiga, J Zywucka, N Institut Pluridisciplinaire Hubert Curien (IPHC) Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA)) Centre de Physique des Particules de Marseille (CPPM) Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de physique subatomique et des technologies associées (SUBATECH) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique) Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST) Nantes Université - pôle Sciences et technologie Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ) AstroParticule et Cosmologie (APC (UMR_7164)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Laboratoire de physique corpusculaire de Caen (LPCC) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN) Normandie Université (NU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique de Clermont (LPC) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA) Institut universitaire de France (IUF) Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.) Laboratoire Univers et Particules de Montpellier (LUPM) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM) KM3NeT 2024-08-27 https://hal.science/hal-04679229 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/arxiv/2408.07015 hal-04679229 https://hal.science/hal-04679229 ARXIV: 2408.07015 INSPIRE: 2817709 https://hal.science/hal-04679229 2024 neutrino mass detector atmosphere oscillation KM3NeT water Cherenkov [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] info:eu-repo/semantics/preprint Preprints, Working Papers, . 2024 ftimtatlantique 2024-09-20T00:20:22Z International audience KM3NeT/ORCA is a water Cherenkov neutrino detector under construction and anchored at the bottom of the Mediterranean Sea. The detector is designed to study oscillations of atmospheric neutrinos and determine the neutrino mass ordering. This paper focuses on an initial configuration of ORCA, referred to as ORCA6, which comprises six out of the foreseen 115 detection units of photo-sensors. A high-purity neutrino sample was extracted, corresponding to an exposure of 433 kton-years. The sample of 5828 neutrino candidates is analysed following a binned log-likelihood method in the reconstructed energy and cosine of the zenith angle. The atmospheric oscillation parameters are measured to be $\sin^2\theta_{23}= 0.51^{+0.04}_{-0.05}$, and $ \Delta m^2_{31} = 2.14^{+0.25}_{-0.35}\times 10^{-3}~\mathrm{eV^2} \cup \{-2.25,-1.76\}\times 10^{-3}~\mathrm{eV^2}$ at 68% CL. The inverted neutrino mass ordering hypothesis is disfavoured with a p-value of 0.25. Report Orca Archives ouvertes Hal IMT Atlantique |