Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture

Kohsuke Sumiyoshi, Chikako Ishizuka, Akira Ohnishi, Shoichi Yamada, Hideyuki Suzuki

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

    Abstract

    We study the gravitational collapse of non-rotating massive stars (40-50M odot;) and the associated neutrino burst by general relativistic v-radiation hydrodynamics. We show that the neutrino burst from the accreting proto-neutron star till the black hole formation is short and energetic in a situation of failed explosion. This unique characteristics is a hallmark of black hole formation and distinguishable from the neutrino signal of ordinary supernovae. Adopting the sets of physical equation of state of dense matter, we demonstrate that the duration of neutrino emission depends crucially on the equation of state. Future detection of neutrinos from the failed supernovae can be used to probe the stiffness of dense matter with possible emergence of hyperons. Speaker.

    Original languageEnglish
    Title of host publicationProceedings of Science
    Publication statusPublished - 2008
    Event10th Symposium on Nuclei in the Cosmos, NIC 2008 - Mackinac Island, MI, United States
    Duration: 2008 Jul 272008 Aug 1

    Other

    Other10th Symposium on Nuclei in the Cosmos, NIC 2008
    CountryUnited States
    CityMackinac Island, MI
    Period08/7/2708/8/1

    Fingerprint

    supernovae
    bursts
    neutrinos
    probes
    equations of state
    hyperons
    gravitational collapse
    massive stars
    neutron stars
    explosions
    stiffness
    hydrodynamics
    radiation

    ASJC Scopus subject areas

    • General

    Cite this

    Sumiyoshi, K., Ishizuka, C., Ohnishi, A., Yamada, S., & Suzuki, H. (2008). Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture. In Proceedings of Science

    Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture. / Sumiyoshi, Kohsuke; Ishizuka, Chikako; Ohnishi, Akira; Yamada, Shoichi; Suzuki, Hideyuki.

    Proceedings of Science. 2008.

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

    Sumiyoshi, K, Ishizuka, C, Ohnishi, A, Yamada, S & Suzuki, H 2008, Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture. in Proceedings of Science. 10th Symposium on Nuclei in the Cosmos, NIC 2008, Mackinac Island, MI, United States, 08/7/27.
    Sumiyoshi K, Ishizuka C, Ohnishi A, Yamada S, Suzuki H. Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture. In Proceedings of Science. 2008
    Sumiyoshi, Kohsuke ; Ishizuka, Chikako ; Ohnishi, Akira ; Yamada, Shoichi ; Suzuki, Hideyuki. / Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture. Proceedings of Science. 2008.
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    AU - Ohnishi, Akira

    AU - Yamada, Shoichi

    AU - Suzuki, Hideyuki

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    AB - We study the gravitational collapse of non-rotating massive stars (40-50M odot;) and the associated neutrino burst by general relativistic v-radiation hydrodynamics. We show that the neutrino burst from the accreting proto-neutron star till the black hole formation is short and energetic in a situation of failed explosion. This unique characteristics is a hallmark of black hole formation and distinguishable from the neutrino signal of ordinary supernovae. Adopting the sets of physical equation of state of dense matter, we demonstrate that the duration of neutrino emission depends crucially on the equation of state. Future detection of neutrinos from the failed supernovae can be used to probe the stiffness of dense matter with possible emergence of hyperons. Speaker.

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