Supernova constraints on neutrino oscillation and EoS for proto-neutron star

T. Kajino, W. Aoki, M. K. Cheoun, T. Hayakawa, J. Hidaka, Y. Hirai, G. J. Mathews, K. Nakamura, S. Shibagaki, T. Suzuki

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    Core-collapse supernovae eject huge amount of flux of energetic neutrinos which affect explosive nucleosynthesis of rare isotopes like 7Li, 11B, 92Nb, 138La and Ta and r-process elements. Several isotopes depend strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. We here discuss how to determine the neutrino temperatures and propose a method to determine still unknown neutrino oscillation parameters, mass hierarchy and θ13, simultaneously. Combining the recent experimental constraints on θ13 with isotopic ratios of the light elements discovered in presolar grains from the Murchison meteorite, we show that our method suggests at a marginal preference for an inverted neutrino mass hierarchy. We also discuss supernova relic neutrinos that may indicate the softness of the equation of state (EoS) of nuclear matter as well as adiabatic conditions of the neutrino oscillation.

    Original languageEnglish
    Title of host publicationAIP Conference Proceedings
    PublisherAmerican Institute of Physics Inc.
    Pages319-325
    Number of pages7
    Volume1594
    ISBN (Print)9780735412286
    DOIs
    Publication statusPublished - 2014
    Event12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013 - Tsukuba
    Duration: 2013 Nov 182013 Nov 21

    Other

    Other12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013
    CityTsukuba
    Period13/11/1813/11/21

    Fingerprint

    neutron stars
    supernovae
    equations of state
    neutrinos
    oscillations
    hierarchies
    isotopes
    Murchison meteorite
    adiabatic conditions
    softness
    light elements
    nuclear fusion

    Keywords

    • neutrino
    • nuclear reaction
    • nuclear structure
    • nucleosynthesis
    • supernovae

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Kajino, T., Aoki, W., Cheoun, M. K., Hayakawa, T., Hidaka, J., Hirai, Y., ... Suzuki, T. (2014). Supernova constraints on neutrino oscillation and EoS for proto-neutron star. In AIP Conference Proceedings (Vol. 1594, pp. 319-325). American Institute of Physics Inc.. https://doi.org/10.1063/1.4874089

    Supernova constraints on neutrino oscillation and EoS for proto-neutron star. / Kajino, T.; Aoki, W.; Cheoun, M. K.; Hayakawa, T.; Hidaka, J.; Hirai, Y.; Mathews, G. J.; Nakamura, K.; Shibagaki, S.; Suzuki, T.

    AIP Conference Proceedings. Vol. 1594 American Institute of Physics Inc., 2014. p. 319-325.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kajino, T, Aoki, W, Cheoun, MK, Hayakawa, T, Hidaka, J, Hirai, Y, Mathews, GJ, Nakamura, K, Shibagaki, S & Suzuki, T 2014, Supernova constraints on neutrino oscillation and EoS for proto-neutron star. in AIP Conference Proceedings. vol. 1594, American Institute of Physics Inc., pp. 319-325, 12th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG 2013, Tsukuba, 13/11/18. https://doi.org/10.1063/1.4874089
    Kajino T, Aoki W, Cheoun MK, Hayakawa T, Hidaka J, Hirai Y et al. Supernova constraints on neutrino oscillation and EoS for proto-neutron star. In AIP Conference Proceedings. Vol. 1594. American Institute of Physics Inc. 2014. p. 319-325 https://doi.org/10.1063/1.4874089
    Kajino, T. ; Aoki, W. ; Cheoun, M. K. ; Hayakawa, T. ; Hidaka, J. ; Hirai, Y. ; Mathews, G. J. ; Nakamura, K. ; Shibagaki, S. ; Suzuki, T. / Supernova constraints on neutrino oscillation and EoS for proto-neutron star. AIP Conference Proceedings. Vol. 1594 American Institute of Physics Inc., 2014. pp. 319-325
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    abstract = "Core-collapse supernovae eject huge amount of flux of energetic neutrinos which affect explosive nucleosynthesis of rare isotopes like 7Li, 11B, 92Nb, 138La and Ta and r-process elements. Several isotopes depend strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. We here discuss how to determine the neutrino temperatures and propose a method to determine still unknown neutrino oscillation parameters, mass hierarchy and θ13, simultaneously. Combining the recent experimental constraints on θ13 with isotopic ratios of the light elements discovered in presolar grains from the Murchison meteorite, we show that our method suggests at a marginal preference for an inverted neutrino mass hierarchy. We also discuss supernova relic neutrinos that may indicate the softness of the equation of state (EoS) of nuclear matter as well as adiabatic conditions of the neutrino oscillation.",
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    AU - Hidaka, J.

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