Cosmic-ray accelerators capable of reaching ultra-high energies are expected to also produce very-high energy neutrinos via hadronic interactions within the source or its surrounding environment. Many of the candidate astrophysical source classes are either transient in nature or exhibit flaring activity. Using the Earth as a neutrino converter, suborbital and space-based optical Cherenkov detectors, such as POEMMA and EUSO-SPB2, will be able to detect upward-moving extensive air showers induced by decaying tau-leptons generated from cosmic tau neutrinos with energies ∼ 10 PeV and above. Both EUSO-SPB2 and POEMMA will be able to quickly repoint, enabling rapid response to astrophysical transient events. We calculate the transient sensitivity and sky coverage for both EUSO-SPB2 and POEMMA, accounting for constraints imposed by the Sun and the Moon on the observation time. We also calculate both detectors' neutrino horizons for a variety of modeled astrophysical neutrino fluences. We find that both EUSO-SPB2 and POEMMA will achieve transient sensitivities at the level of modeled neutrino fluences for nearby sources. We conclude with a discussion of the prospects of each mission detecting at least one transient event for various modeled astrophysical neutrino sources. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)

Neutrino Target-of-Opportunity Observations with Space-based and Suborbital Optical Cherenkov Detectors

Bagheri M.;Barghini D.;Bertaina M. E.;Bisconti F.;Bustamante M.;Casolino M.;Miyamoto H.;Neronov A.;Plebaniak Z.;Shinozaki K.;Arnone E.;Bartocci S.;Blanc N.;Bozzo E.;Cassardo C.;Cellino A.;Cotto G.;Cremonini R.;Ferrarese S.;Franchini S.;Galeotti P.;Gardiol D.;Golzio A.;Kajino F.;Manfrin M.;Pagliaro A.;Perfetto F.;Piraino S.;Scagliola A.;Suzuki M.;Vigorito C.;
2022-01-01

Abstract

Cosmic-ray accelerators capable of reaching ultra-high energies are expected to also produce very-high energy neutrinos via hadronic interactions within the source or its surrounding environment. Many of the candidate astrophysical source classes are either transient in nature or exhibit flaring activity. Using the Earth as a neutrino converter, suborbital and space-based optical Cherenkov detectors, such as POEMMA and EUSO-SPB2, will be able to detect upward-moving extensive air showers induced by decaying tau-leptons generated from cosmic tau neutrinos with energies ∼ 10 PeV and above. Both EUSO-SPB2 and POEMMA will be able to quickly repoint, enabling rapid response to astrophysical transient events. We calculate the transient sensitivity and sky coverage for both EUSO-SPB2 and POEMMA, accounting for constraints imposed by the Sun and the Moon on the observation time. We also calculate both detectors' neutrino horizons for a variety of modeled astrophysical neutrino fluences. We find that both EUSO-SPB2 and POEMMA will achieve transient sensitivities at the level of modeled neutrino fluences for nearby sources. We conclude with a discussion of the prospects of each mission detecting at least one transient event for various modeled astrophysical neutrino sources. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)
2022
37 th International Cosmic Ray Conference (ICRC 2021)
Berlin
July 12th – 23rd, 2021
395
1
10
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85145259201&partnerID=40&md5=ccec52fbf611249d1f8619bdc52ed87c
Cerenkov counters; Cosmic rays; Earth (planet); Neutrons; Particle detectors; Cherenkov Detectors; Fluences; Hadronic interactions; Optical-; Space-based; Surrounding environment; Target of opportunities; Transient events; Ultra-high energies; Very high-energy neutrinos; Cosmology
Venters Tonia M.; Reno Mary Hall; Krizmanic John F.; Olinto A.V.; Adams J.H.; Aloisio R.; Anchordoqui L.A.; Anzalone A.; Bagheri M.; Barghini D.; Batt...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/1929331
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