Search for quantum decoherence in neutrino oscillations with six detection units of KM3NeT/ORCA

article
Aiello, S.

Albert, A.

Alhebsi, A.R.

Alshamsi, M.

Garre, S. Alves

Ambrosone, A.

Ameli, F.

Andre, M.

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.

Biagi, S.

Boettcher, M.

Bonanno, D.

Bouasla, A.B.

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.

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.

Benedittis, A. De

Martino, B. De

Wasseige, G. De

Decoene, V.

Rosso, I. Del

Mauro, L.S. Di

Palma, I. Di

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.

Eeden, T. van

Eff, M.

Eijk, D. van

Bojaddaini, I. El

Hedri, S. El

Ellajosyula, V.

Enzenhöfer, A.

Ferrara, G.

Filipović, M.D.

Filippini, F.

Franciotti, D.

Fusco, L.A.

Gagliardini, S.

Gal, T.

Méndez, J. García

Soto, A. Garcia

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.

Haren, H. van

Heijboer, A.

Hennig, L.

Hernández-Rey, J.J.

Ibnsalih, W. Idrissi

Illuminati, G.

Joly, D.

Jong, M. de

Jong, P. de

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.

Stum, S. Le

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.

Moussa, A.

Mateo, I. Mozun

Muller, R.

Musone, M.R.

Musumeci, M.

Navas, S.

Nayerhoda, A.

Nicolau, C.A.

Nkosi, B.

Fearraigh, B. Ó

Oliviero, V.

Orlando, A.

Oukacha, E.

Paesani, D.

González, J. Palacios

Papalashvili, G.

Parisi, V.

Gomez, E.J. Pastor

Pastore, C.

Păun, A.M.

Păvălaş, G.E.

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.

Randazzo, N.

Razzaque, S.

Rea, I.C.

Real, D.

Riccobene, G.

Robinson, J.

Romanov, A.

Ros, E.

Šaina, A.

Greus, F. Salesa

Samtleben, D.E.F.

Losa, A. Sánchez

Sanfilippo, S.

Sanguineti, M.

Santonocito, D.

Sapienza, P.

Schnabel, J.

Schumann, J.

Schutte, H.M.

Seneca, J.

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.

Melo, I. Tosta e

Trocmé, B.

Tsourapis, V.

Tudorache, A.

Tzamariudaki, E.

Ukleja, A.

Vacheret, A.

Valsecchi, V.

Elewyck, V. Van

Vannoye, G.

Vasileiadis, G.

Sola, F. Vazquez de

Veutro, A.

Viola, S.

Vivolo, D.

Vliet, A. van

Wolf, E. de

Lhenry-Yvon, I.

Zavatarelli, S.

Zegarelli, A.

Zito, D.

Zornoza, J.D.

Zúñiga, J.

Zywucka, N.
Neutrinos described as an open quantum system may interact with the environment which introduces stochastic perturbations to their quantum phase. This mechanism leads to a loss of coherence along the propagation of the neutrino - a phenomenon commonly referred to as decoherence - and ultimately, to a modification of the oscillation probabilities. Fluctuations in space-time, as envisaged by various theories of quantum gravity, are a potential candidate for a decoherence-inducing environment. Consequently, the search for decoherence provides a rare opportunity to investigate quantum gravitational effects which are usually beyond the reach of current experiments. In this work, quantum decoherence effects are searched for in neutrino data collected by the KM3NeT/ORCA detector from January 2020 to November 2021. The analysis focuses on atmospheric neutrinos within the energy range of a few GeV to 100 GeV. Adopting the open quantum system framework, decoherence is described in a phenomenological manner with the strength of the effect given by the parameters Γ21 and Γ31. Following previous studies, a dependence of the type Γ ij ∝ (E/E 0) n on the neutrino energy is assumed and the cases n = -2,-1 are explored. No significant deviation with respect to the standard oscillation hypothesis is observed. Therefore, 90% CL upper limits are estimated as Γ21 < 4.6· 1021GeV and Γ31 < 8.4· 1021GeV for n = -2 and Γ21 < 1.9· 10-22GeV and Γ31 < 2.7· 10-22GeV for n = -1, respectively. © 2025 The Author(s)
TNO Identifier
1009043
ISSN
14757516
Source
Journal of Cosmology and Astroparticle Physics, 2025(3), pp. 1-22.
Publisher
Institute of Physics
Article nr.
39
Pages
1-22
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