Observation of an ultra-high-energy cosmic neutrino with KM3NeT

Aiello, S.; Mamedov, F.; Riccobene, G.; Zywucka, N.; Pestel, V.; Real, D.; Spurio, M.; Diego-Tortosa, D.; Bruno, R.; Mastroianni, S.; Lehaut, G.; Atmani, H.; Perrin-Terrin, M.; Eckerová, E.; Nayerhoda, A.; Markou, C.; Stavropoulos, D.; Labalme, M.; Dvornický, R.; Lemaitre, V.; Trocmé, B.; Cherubini, S.; Tzamariudaki, E.; Graf, K.; Andre, M.; Chiarusi, T.; Navas, S.; Romanov, A.; Buis, E.; Cartraud, T.; Lazar, J.; Gualandi, F. Benfenati; Gibson, B. K.; Migneco, E.; El Hedri, S.; Mauro, J.; Kistauri, G.; Martin, L.; Benhassi, M.; Pradier, T.; Kamp, N.; Calvo, D.; Zegarelli, A.; Orlando, A.; Bendahman, M.; Magnani, F.; Papalashvili, G.; Ellajosyula, V.; Van Eeden, Thijs Juan; Bouasla, A. B.; Morales-Gallegos, L.; Pfeiffer, L.; Păun, A. M.; Ambrosone, A.; Oliver, C. Gatius; Haack, C.; Badaracco, F.; Vacheret, A.; Ilioni, A.; de Jong, P.; Pulvirenti, S.; Castaldi, P.; Circella, M.; Moussa, A.; Kulikovskiy, V.; Baret, B.; Genton, E.; Mateo, I. Mozun; Le Stum, S.; Seneca, J.; Colonges, S.; Di Palma, I.; Tayalati, Y.; Illuminati, G.; Caiffi, B.; Heijboer, A.; Zornoza, J. D.; Levi, G.; Giorgio, E.; Lazo, A.; Mastrodicasa, M.; de Sola, F. Vazquez; Robinson, J.; Sinopoulou, A.; Sharma, A.; Carretero, V.; Šaina, A.; Sanfilippo, S.; Zito, D.; Vannoye, G.; Lessing, N.; Štekl, I.; Garcia Soto, A.; Coelho, J. A. B.; Filipović, M. D.; Shanidze, R.; Ukleja, A.; Dornic, D.; Poirè, C.; Manfreda, A.; Condorelli, A.; Wen, A. Y.; Marconi, M.; Aublin, J.; Van Elewyck, V.; Argüelles, C.; Lincetto, M.; Lahmann, R.; Ameli, F.; Santonocito, D.; Cocimano, R.; Rea, I. C.; Marinelli, A.; Gagliardini, S.; Biagi, S.; Buompane, R.; Valsecchi, V.; Salesa Greus, F.; Drouhin, D.; Ferrara, G.; Parisi, V.; Mollo, C. M.; Fearraigh, B. Ó.; Hennig, L.; Bozza, R. M.; Paesani, D.; Alhebsi, A. R.; van Vliet, A.; Martínez, S. Peña; Buson, Sara; Kopper, C.; De Martino, B.; Ducoin, J.-G.; Guidi, C.; Drakopoulou, E.; Muller, R.; Bruijn, R.; Kalaczyński, P.; Ghaddari, H.; Taiuti, M.; Domi, A.; Alshamsi, M.; Fusco, L. A.; Popa, V.; Gal, T.; Musone, M. R.; Aphecetche, L.; Capone, A.; Simonelli, A.; Bozza, C.; Kouchner, A.; Bouta, M.; Enzenhöfer, A.; Oukacha, E.; Dallier, R.; Gozzini, S. R.; Tsourapis, V.; Joly, D.; Ibnsalih, W. Idrissi; Albert, A.; Gutiérrez, M.; Busto, J.; Lamoureux, M.; Clark, M. Lindsey; de Wolf, E.; Larosa, G.; D'Amico, A.; Brânzaş, H.; Sevle, P.; Goos, I.; Lhenry-Yvon, I.; Eberl, T.; Nicolau, C. A.; Sennan, N.; Katz, U. F.; Samtleben, D. F. E.; Pestes, R.; Cerisy, L.; Chen, A.; Sapienza, P.; Melo, I. Tosta e.; Diaz, A. F.; Šimkovic, F.; Tudorache, A.; Anghinolfi, M.; Méndez, J. García; Oliviero, V.; Nkosi, B.; Ardid, S.; Verilhac, C.; Miele, G.; Eddymaoui, A.; Thiersen, H.; Spisso, B.; Bouwhuis, M.; Cecchini, V.; Chabab, M.; Gracia, R.; Razzaque, S.; Malerba, L.; Geißelbrecht, N.; Creusot, A.; Quiroz-Rangel, C. A.; Lancelin, S.; Bertin, V.; Mitsou, M. L.; Musumeci, M.; Bonanno, D.; Sanguineti, M.; Bretaudeau, F.; Vasileiadis, G.; Bardačová, Z.; Lumb, N.; de Jong, M.; Kueviakoe, V.; Ardid, M.; Sgura, I.; Mongelli, M.; Bariego-Quintana, A.; KM3NeT Collaboration; van Eijk, D.; Păvălaş, G. E.; Paries, C.; Longhitano, F.; Leonora, E.; Kovalev, Y. Y.; Gomez, E. J. Pastor; Margiotta, A.; Benoit, D. M.; Franciotti, D.; Filippini, F.; Lastoria, C.; Distefano, C.; Carenini, F.; Schutte, H. M.; Bojaddaini, I. El; Kalekin, O.; Decoene, V.; Coniglione, R.; Schnabel, J.; Goswami, P.; Zúñiga, J.; Guillon, B.; Berbee, E.; Donzaud, C.; Bennani, M.; Plavin, A.; Schumann, J.; Coyle, P.; Boettcher, M.; Di Mauro, L. S.; van Haren, H.; Schmelling, J.; Palacios González, J.; Breuhaus, M.; Majumdar, J.; Brunner, J.; Kvatadze, R.; Shitov, Y.; Veutro, A.; Becherini, Y.; Pastore, C.; De Benedittis, A.; Viola, S.; Del Rosso, I.; Zavatarelli, S.; Eff, M.; Sánchez Losa, A.; Gialanella, L.; Piattelli, P.; Hernández-Rey, J. J.; Migliozzi, P.; Cuttone, G.; De Wasseige, G.; Coleiro, A.; Henry, S.; Boumaaza, J.; Celli, S.; Prado, J.; Bailly-Salins, L.; Garre, S. Alves; Vivolo, D.; Randazzo, N.; Jung, B. J.; Marzaioli, F.; Thoudam, S.; Ros, E.

doi:10.1038/s41586-024-08543-1

Journal Article

PUBDB-2025-04217

Observation of an ultra-high-energy cosmic neutrino with KM3NeT

Aiello, S. ; Albert, A. ; Alhebsi, A. R. ; Alshamsi, M. ; Garre, S. A. ; Ambrosone, A. ; Ameli, F. ; Andre, M. ; Anghinolfi, M. ; Aphecetche, L. ; Ardid, M. ; Ardid, S. ; Argüelles, C. ; Atmani, H. ; Aublin, J. ; Badaracco, F. ; Bailly-Salins, L. ; Bardačová, Z. ; Baret, B. ; Bariego-Quintana, A. ; Becherini, Y. ; Bendahman, M. ; Gualandi, F. B. ; 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. ; Buson, S.DESY* ; 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. ; Colonges, S. ; Condorelli, A. ; Coniglione, R. ; Coyle, P. ; Creusot, A. ; Cuttone, G. ; D'Amico, A. ; Dallier, R. ; De Benedittis, A. ; De Martino, B. ; De Wasseige, G. ; Decoene, V. ; Del Rosso, I. ; Di Mauro, L. S. ; Di Palma, I. ; Diaz, 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. J.DESY* ; Eff, M. ; van Eijk, D. ; Bojaddaini, I. E. ; 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. G. ; Garcia Soto, A. ; Oliver, C. G. ; Geißelbrecht, N. ; Genton, E. ; Ghaddari, H. ; Gialanella, L. ; Gibson, B. K. ; Giorgio, E. ; Goos, I. ; Goswami, P. ; Gozzini, S. R. ; Gracia, R. ; Graf, K. ; Guidi, C. ; Guillon, B. ; Gutiérrez, M. ; Haack, C. ; van Haren, H. ; Heijboer, A. ; Hennig, L. ; Henry, S. ; Hernández-Rey, J. J. ; Ibnsalih, W. I. ; Ilioni, A. ; Illuminati, G. ; Joly, D. ; de Jong, M. ; de Jong, P. ; Jung, B. J. ; Kalaczyński, P. ; Kalekin, O. ; Kamp, N. ; Katz, U. F. ; Kistauri, G. ; Kopper, C. ; Kouchner, A. ; Kovalev, Y. Y. ; Kueviakoe, V. ; Kulikovskiy, V. ; Kvatadze, R. ; Labalme, M. ; Lahmann, R. ; Lamoureux, M. ; Lancelin, S. ; Larosa, G. ; Lastoria, C. ; Lazar, J. ; Lazo, A. ; Le Stum, S. ; Lehaut, G. ; Lemaitre, V. ; Leonora, E. ; Lessing, N. ; Levi, G. ; Lincetto, M. ; Clark, M. L. ; Longhitano, F. ; Lumb, N. ; Magnani, F. ; Majumdar, J. ; Malerba, L. ; Mamedov, F. ; Manfreda, A. ; Marconi, M. ; Margiotta, A. ; Marinelli, A. ; Markou, C. ; Martin, L. ; Marzaioli, F. ; Mastrodicasa, M. ; Mastroianni, S. ; Mauro, J. ; Miele, G. ; Migliozzi, P. ; Migneco, E. ; Mitsou, M. L. ; Mollo, C. M. ; Mongelli, M. ; Morales-Gallegos, L. ; Moussa, A. ; Mateo, I. M. ; 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. ; Palacios González, J. ; Papalashvili, G. ; Paries, C. ; Parisi, V. ; Gomez, E. J. P. ; Pastore, C. ; Păun, A. M. ; Păvălaş, G. E. ; Martínez, S. P. ; Perrin-Terrin, M. ; Pestel, V. ; Pestes, R. ; Pfeiffer, L. ; 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. ; Salesa Greus, F. ; Samtleben, D. F. E. ; Sánchez Losa, A. ; Sanfilippo, S. ; Sanguineti, M. ; Santonocito, D. ; Sapienza, P. ; Schmelling, J. ; Schnabel, J. ; Schumann, J. ; Schutte, H. M. ; Seneca, J. ; Sennan, N. ; Sevle, P. ; Sgura, I. ; Shanidze, R. ; Sharma, A. ; Shitov, Y. ; Šimkovic, F. ; Simonelli, A. ; Sinopoulou, A. ; Spisso, B. ; Spurio, M. ; Stavropoulos, D. ; Štekl, I. ; Taiuti, M. ; Tayalati, Y. ; Thiersen, H. ; Thoudam, S. ; Melo, I. T. 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. V. ; Verilhac, C. ; Veutro, A. ; Viola, S. ; Vivolo, D. ; van Vliet, A. ; Wen, A. Y. ; de Wolf, E. ; Lhenry-Yvon, I. ; Zavatarelli, S. ; Zegarelli, A. ; Zito, D. ; Zornoza, J. D. ; Zúñiga, J. ; Zywucka, N. ; KM3NeT Collaboration (Collaboration author)DESY*

2025
Nature Publ. Group London [u.a.]

Nature 640(8050), 376 - 382 (2025) [10.1038/s41586-024-08543-1]

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Please use a persistent id in citations: doi:10.1038/s41586-024-08543-1 doi:10.3204/PUBDB-2025-04217

Abstract: The detection of cosmic neutrinos with energies above a teraelectronvolt (TeV) offers a unique exploration into astrophysical phenomena$^{1, 2–3}$. Electrically neutral and interacting only by means of the weak interaction, neutrinos are not deflected by magnetic fields and are rarely absorbed by interstellar matter: their direction indicates that their cosmic origin might be from the farthest reaches of the Universe. High-energy neutrinos can be produced when ultra-relativistic cosmic-ray protons or nuclei interact with other matter or photons, and their observation could be a signature of these processes. Here we report an exceptionally high-energy event observed by KM3NeT, the deep-sea neutrino telescope in the Mediterranean Sea$^{4}$, which we associate with a cosmic neutrino detection. We detect a muon with an estimated energy of $12{0}_{-60}^{+110}$ petaelectronvolts (PeV). In light of its enormous energy and near-horizontal direction, the muon most probably originated from the interaction of a neutrino of even higher energy in the vicinity of the detector. The cosmic neutrino energy spectrum measured up to now$^{5, 6–7}$ falls steeply with energy. However, the energy of this event is much larger than that of any neutrino detected so far. This suggests that the neutrino may have originated in a different cosmic accelerator than the lower-energy neutrinos, or this may be the first detection of a cosmogenic neutrino$^{8}$, resulting from the interactions of ultra-high-energy cosmic rays with background photons in the Universe.

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Journal Article Aiello, S. ; Albert, A. ; Alhebsi, A. R. ; et al
Author Correction: Observation of an ultra-high-energy cosmic neutrino with KM3NeT
Nature 640(8050), 376 - 382 (2025) [10.1038/s41586-025-08836-z]2025 OpenAccess Files BibTeX | EndNote: XML, Text | RIS

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