{"paper":{"title":"Testing Heavy Dark Matter Decay as the Origin of KM3-230213A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Albert, A. Bariego-Quintana, A. Capone, A. Chen, A. Coleiro, A. Condorelli, A. Creusot, A. De Benedittis, A. Domi, A. Eddymaoui, A. Enzenh\\\"ofer, A. F. D\\'iaz, A. Ferrara, A. Foisseau, A. Garcia Soto, A. Heijboer, A. Idrissi, A. Kouchner, A. Langella, A. Luashvili, A. Manfreda, A. Manousakis, A. Margiotta, A. Marinelli, A. Mosbrugger, A. Moussa, A. M. P\\u{a}un, A. Orlando, A. Plavin, A. R. Alhebsi, A. Ratnani, A. Romanov, A. S\\'anchez Losa, A. Simonelli, A. Sinopoulou, A. Ukleja, A. Vacheret, A. van Vliet, A. Veutro, B. Baret, B. Caiffi, B. Guillon, B. J. Jung, B. K. Gibson, B. Nkosi, B. \\'O Fearraigh, B. Pascual-Estrugo, B. Trocm\\'e, C. A. Nicolau, C. Bozza, C. Distefano, C. Donzaud, C. Frosin, C. Gatius Oliver, C. Hanna, C. Karagiannis, C. Kopper, C. Lastoria, C. Markou, C. M. Mollo, C. Poir\\`e, C. Sironneau, C. Tully, C. van Bergen, D. Bonanno, D. Calvo, D. Diego-Tortosa, D. Dornic, D. Drouhin, D. F. E. Samtleben, D. Franciotti, D. Joly, D. M. Benoit, D. Paesani, D. Real, D. Santonocito, D. Stocco, D. van Eijk, D. Vivolo, D. Zito, E. Berbee, E. Berti, E. Buis, E. De Wolf, E. Drakopoulou, E. Eckerov\\'a, E. Giorgio, E.G.J. van Campenhout, E. Hazelton, E. Leonora, E. Migneco, E. Oukacha, E. Ros, E. Tzamariudaki, E. Vannuccini, F. Ameli, F. Badaracco, F. Benfenati Gualandi, F. Bretaudeau, F. Carenini, F. Filippini, F. Longhitano, F. Magnani, F. Mamedov, F. Salesa Greus, F. Vazquez de Sola, F. \\v{S}imkovic, G. Cuttone, G. de Wasseige, G. E. P\\u{a}v\\u{a}la\\v{s}, G. Ferrara, G. Illuminati, G. Kalaitzidakis, G. Kistauri, G. Larosa, G. Lehaut, G. Levi, G. Miele, G. Pascua, G. Riccobene, G. Vannoye, G. Vasileiadis, H. Ghaddari, H. Thiersen, H. van Haren, I. C. Rea, I. Del Rosso, I. Di Palma, I. El Bojaddaini, I. Goos, I. Lhenry-Yvon, I. Mozun Mateo, I. Sgura, I. Tosta e Melo, I. \\v{S}tekl, J. A. Aguilar, J. A. B. Coelho, J. Aublin, J. Boumaaza, J. Brunner, J. D. Zornoza, J. Garc\\'ia M\\'endez, J.-G. Ducoin, J. J. Hern\\'andez-Rey, J. Keegans, J. Lazar, J. Mauro, J. Prado, J. Robinson, J. Schnabel, J. Schumann, J. Tena, J. Z\\'u\\~niga, K. C. K. Mehta, KM3NeT Collaboration: O. Adriani, L. A. Fusco, L. Aphecetche, L. Barigione, L. Gialanella, L. Hennig, L. Krupa, L. Malerba, L. Martin, L. Morales-Gallegos, L. Pacini, L. Pfeiffer, L. S. Di Mauro, L. Voorend, M. Andre, M. Ardid, M. Barnard, M. Bendahman, M. Benhassi, M. Boettcher, M. Bond\\`i, M. Bongi, M. Bouta, M. Breuhaus, M. Chabab, M. Chianese, M. Circella, M. de Jong, M. D. Filipovi\\'c, M. Eff, M. Farino, M. Guelfand, M. Labalme, M. Lamoureux, M. Lincetto, M. Lindsey Clark, M. L. Mitsou, M. Loup, M. Marconi, M. Mastrodicasa, M. Musumeci, M. Perrin-Terrin, M. Petropavlova, M. R. Musone, M. Sanguineti, M. Scaringella, M. Scarnera, M. Senniappan, M. Spurio, M. Taiuti, N. Gei{\\ss}elbrecht, N. Lessing, N. Mori, N. Randazzo, O. Janik, O. Starodubtsev, P. A. Sevle Myhr, P. Betti, P. Castaldi, P. Coyle, P. Deguire, P. De Jong, P. Duverne, P. Goswami, P. Kalaczy\\'nski, P. M\\'anek, P. Migliozzi, P. Papini, P. Piattelli, P. Sapienza, R. Bruijn, R. Bruno, R. Buompane, R. Clark, R. Cocimano, R. Coniglione, R. Dallier, R. Dvornick\\'y, R. Gracia, R. Jaimes, R. Kvatadze, R. Lahmann, R. M. Bozza, R. Muller, R. Shanidze, S. Alshalloudi, S. Ardid, S. Biagi, S. Bottai, S. Celli, S. Cherubini, S. El Hedri, S. El Mentawi, S. Madarapu, S. Mastroianni, S. Mugnier, S. Navas, S. Pe\\~na Mart\\'inez, S. Pulvirenti, S. Razzaque, S. R. Gozzini, S. Sanfilippo, S. Thoudam, S. Viola, S. Zavatarelli, T. Cartraud, T. Chiarusi, T. Eberl, T. Gal, T. Khvichia, T. Pradier, U. F. Katz, V. A. Makeev, V. Bertin, V. Carretero, V. Cecchini, V. Decoene, V. Ellajosyula, V. Kueviakoe, V. Kulikovskiy, V. Lema\\^itre, V. Oliviero, V. Parisi, V. Pestel, V. Poireau, V. Tsourapis, V. Valsecchi, V. Van Elewyck, W. Chung, W. Idrissi Ibnsalih, Y. Becherini, Y. Shitov, Y. Tayalati, Y. Y. Kovalev, Z. Be\\v{n}u\\v{s}ov\\'a","submitted_at":"2026-06-08T18:00:02Z","abstract_excerpt":"This work explores the hypothesis that the ultra-high-energy neutrino event KM3-230213A originates from the decay of a heavy dark matter particle with a mass above PeV scale. The analysis exploits the deposited energy and arrival direction of the event as well as a complete detector Monte Carlo simulation to compute the expected signal distributions for different decay channels and assesses the relative contributions from Galactic and extragalactic dark matter. Assuming a dark matter origin of the event, we find that the preferred mass at 95% C.L. is larger than about 100 PeV in all scenarios "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09986","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.09986/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}