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- W4367000548 abstract "The occurrence of a first-order hadron-quark matter phase transition at high baryon densities is investigated in astrophysical simulations of core-collapse supernovae, to decipher yet incompletely understood properties of the dense matter equation of state using neutrinos from such cosmic events. It is found that the emission of a non-standard second neutrino burst, dominated by electron-antineutrinos, is not only a measurable signal for the appearance of deconfined quark matter but also reveals information about the state of matter at extreme conditions encountered at the supernova interior. To this end, a large set of spherically symmetric supernova models is investigated, studying the dependence on the equation of state and on the stellar progenitor. General relativistic neutrino-radiation hydrodynamics is employed featuring three-flavor Boltzmann neutrino transport and a microscopic hadron-quark hybrid matter equation of state class, that covers a representative range of parameters. This facilitates the direct connection between intrinsic signatures of the neutrino signal and properties of the equation of state. In particular, a set of novel relations have been found empirically. These potentially provide a constraint for the onset density of a possible QCD phase transition, which is presently one of the largest uncertainties in modern investigations of the QCD phase diagram, from the future neutrino observation of the next galactic core-collapse supernova." @default.
- W4367000548 created "2023-04-27" @default.
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- W4367000548 date "2023-04-24" @default.
- W4367000548 modified "2023-09-24" @default.
- W4367000548 title "Constraining the onset density for the QCD phase transition with the neutrino signal from core-collapse supernovae" @default.
- W4367000548 doi "https://doi.org/10.48550/arxiv.2304.12316" @default.
- W4367000548 hasPublicationYear "2023" @default.
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