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Measurement of the atmospheric νe and νμ energy spectra with the ANTARES neutrino telescope
Albert, A.; Alves, S.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J.-J.; Aublin, J.; Baret, B.; Basa, S.; Belhorma, B.; Bendahman, M.; Bertin, V.; Biagi, S.; Bissinger, M.; Boumaaza, J.; Bouta, M.; Bouwhuis, M.C.; Brânzaş, H.; Bruijn, R.; Brunner, J.; Busto, J.; Capone, A.; Caramete, L.; Carr, J.; Carretero, V.; Celli, S.; Chabab, M.; Chau, T.N.; Cherkaoui El Moursli, R.; Chiarusi, T.; Circella, M.; Coleiro, A.; Colomer-Molla, M.; Coniglione, R.; Coyle, P.; Creusot, A.; Díaz, A.F.; de Wasseige, G.; Deschamps, A.; Distefano, C.; Di Palma, I.; Domi, A.; Donzaud, C.; Dornic, D.; Drouhin, D.; Eberl, T.; El Khayati, N.; Enzenhöfer, A.; Fermani, P.; Ferrara, G.; Filippini, F.; Fusco, L.; García, R.; Gatelet, Y.; Gay, P.; Glotin, H.; Gozzini, R.; Graf, K.; Guidi, C.; Hallmann, S.; van Haren, H.; Heijboer, A.J.; Hello, Y.; Hernández-Rey, J.J.; Hößl, J.; Hofestädt, J.; Huang, F.; Illuminati, G.; James, C.W.; Jisse-Jung, B.; de Jong, M.; de Jong, P.; Jongen, M.; Kadler, M.; Kalekin, O.; Katz, U.; Khan-Chowdhury, N.R.; Kouchner, A.; Kreykenbohm, I.; Kulikovskiy, V.; Lahmann, R.; Le Breton, R.; Lefèvre, D.; Leonora, E.; Levi, G.; Lincetto, M.; Lopez-Coto, D.; Loucatos, S.; Maderer, L.; Manczak, J.; Marcelin, M.; Margiotta, A.; Marinelli, A.; Martínez-Mora, J.A.; Melis, K.; Migliozzi, P.; Moser, M.; Moussa, A.; Muller, R.; Nauta, L.; Navas, S.; Nezri, E.; Nuñez-Castiñeyra, A.; O'Fearraigh, B.; Organokov, M.; Păvălaş, G.E.; Pellegrino, C.; Perrin-Terrin, M.; Piattelli, P.; Pieterse, C.; Poirè, C.; Popa, V.; Pradier, T.; Randazzo, N.; Reck, S.; Riccobene, G.; Salesa Greus, F.; Samtleben, D.F.E.; Sánchez-Losa, A.; Sanguineti, M.; Sapienza, P.; Schnabel, J.; Schumann, J.; Schüssler, F.; Spurio, M.; Stolarczyk, Th.; Taiuti, M.; Tayalati, Y.; Thakore, T.; Tingay, S.J.; Vallage, B.; Van Elewyck, V.; Versari, F.; Viola, S.; Vivolo, D.; Wilms, J.; Zegarelli, A.; Zornoza, J.D.; Zúñiga, J. (2021). Measurement of the atmospheric νe and νμ energy spectra with the ANTARES neutrino telescope. Phys. Lett. B 816: 136228. https://doi.org/10.1016/j.physletb.2021.136228
In: Physics Letters B. Elsevier: Amsterdam. ISSN 0031-9163; e-ISSN 0370-2693, meer
Peer reviewed article  

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Author keywords
    Neutrino telescope; Atmospheric neutrinos; ANTARES

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  • van Haren, H.

Abstract

    This letter presents a combined measurement of the energy spectra of atmospheric νe and νμ in the energy range between ∼100 GeV and ∼50 TeV with the ANTARES neutrino telescope . The analysis uses 3012 days of detector livetime in the period 2007–2017, and selects 1016 neutrinos interacting in (or close to) the instrumented volume of the detector, yielding shower-like events (mainly fromνe+ν‾e charged current plus all neutrino neutral current interactions) and starting track events (mainly from νμ+ν‾μ charged current interactions). The contamination by atmospheric muons in the final sample is suppressed at the level of a few per mill by different steps in the selection analysis, including a Boosted Decision Tree classifier. The distribution of reconstructed events is unfolded in terms of electron and muon neutrino fluxes. The derived energy spectra are compared with previous measurements that, above 100 GeV, are limited to experiments in polar ice and, for νμ, to Super-Kamiokande.


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