Supernova Model Discrimination with Hyper-Kamiokande
Journal
Date Issued
2021
Author(s)
Abe, K.
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Adrich, P.
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Aihara, H.
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Akutsu, R.
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Alekseev, I.
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Ali, A.
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Ameli, F.
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Anghel, I.
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Anthony, L. H.V.
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Antonova, M.
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Araya, A.
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Asaoka, Y.
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Ashida, Y.
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Aushev, V.
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Ballester, F.
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Bandac, I.
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Barbi, M.
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Barker, G. J.
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Barr, G.
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Batkiewicz-Kwasniak, M.
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Bellato, M.
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Berardi, V.
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Bergevin, M.
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Bernard, L.
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Bernardini, E.
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Berns, L.
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Bhadra, S.
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Bian, J.
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Blanchet, A.
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Blaszczyk, F. D.M.
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Blondel, A.
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Boiano, A.
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Bolognesi, S.
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Bonavera, L.
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Booth, N.
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Borjabad, S.
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Boschi, T.
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Bose, D.
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Boyd, S. B.
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Bozza, C.
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Bravar, A.
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Bravo-Berguo, D.
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Bronner, C.
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Brown, L.
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Bubak, A.
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Buchowicz, A.
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Buizza Avanzini, M.
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Cafagna, F. S.
•
•
Calvo-Mozota, J. M.
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Cao, S.
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Cartwright, S. L.
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Carroll, A.
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Catanesi, M. G.
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Cebrian, S.
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Chabera, M.
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Chakraborty, S.
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Checchia, C.
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Choi, J. H.
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Choubey, S.
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Cicerchia, M.
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Coleman, J.
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Collazuol, G.
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Cook, L.
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Cowan, G.
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Cuen-Rochin, S.
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Danilov, M.
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Díaz López, G.
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De La Fuente, E.
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De Perio, P.
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Dealtry, T.
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Densham, C. J.
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Dergacheva, A.
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Deshmukh, N.
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Devi, M. M.
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Di Lodovico, F.
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Di Meo, P.
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Di Palma, I.
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Doyle, T. A.
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Drakopoulou, E.
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Drapier, O.
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Dumarchez, J.
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Dunne, P.
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Dziewiecki, M.
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Eklund, L.
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El Hedri, S.
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Ellis, J.
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Emery, S.
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Esmaili, A.
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Esteve, R.
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Evangelisti, A.
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Feely, M.
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Fedotov, S.
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Feng, J.
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Fernandez, P.
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Fernández-Martinez, E.
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Ferrario, P.
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Ferrazzi, B.
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Feusels, T.
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Abstract
Core-collapse supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants - neutron stars and black holes - are interesting astrophysical objects in their own right. However, despite millennia of observations and almost a century of astrophysical study, the explosion mechanism of core-collapse supernovae is not yet well understood. Hyper-Kamiokande is a next-generation neutrino detector that will be able to observe the neutrino flux from the next galactic core-collapse supernova in unprecedented detail. We focus on the first 500 ms of the neutrino burst, corresponding to the accretion phase, and use a newly-developed, high-precision supernova event generator to simulate Hyper-Kamiokande's response to five different supernova models. We show that Hyper-Kamiokande will be able to distinguish between these models with high accuracy for a supernova at a distance of up to 100 kpc. Once the next galactic supernova happens, this ability will be a powerful tool for guiding simulations toward a precise reproduction of the explosion mechanism observed in nature.
Volume
916
Issue
1
Start page
15
Issn Identifier
0004-637X
Rights
open.access
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