Neutrino signals from the formation of a black hole

A probe of the equation of state of dense matter

K. Sumiyoshi, Shoichi Yamada, H. Suzuki, S. Chiba

    Research output: Contribution to journalArticle

    83 Citations (Scopus)

    Abstract

    The gravitational collapse of a nonrotating, black-hole-forming massive star is studied by ν-radiation-hydrodynamical simulations for two different sets of realistic equation of state of dense matter. We show that the event will produce as many neutrinos as the ordinary supernova, but with distinctive characteristics in luminosities and spectra that will be an unmistakable indication of black hole formation. More importantly, the neutrino signals are quite sensitive to the difference of equation of state and can be used as a useful probe into the properties of dense matter. The event will be unique in that they will be shining only by neutrinos (and, possibly, gravitational waves) but not by photons, and hence they should be an important target of neutrino astronomy.

    Original languageEnglish
    Article number091101
    JournalPhysical Review Letters
    Volume97
    Issue number9
    DOIs
    Publication statusPublished - 2006

    Fingerprint

    equations of state
    neutrinos
    probes
    gravitational collapse
    massive stars
    astronomy
    gravitational waves
    supernovae
    indication
    luminosity
    photons
    radiation
    simulation

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Neutrino signals from the formation of a black hole : A probe of the equation of state of dense matter. / Sumiyoshi, K.; Yamada, Shoichi; Suzuki, H.; Chiba, S.

    In: Physical Review Letters, Vol. 97, No. 9, 091101, 2006.

    Research output: Contribution to journalArticle

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