Oscillation and future detection of failed supernova neutrinos from a black-hole-forming collapse

Ken'Ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, Shoichi Yamada

    Research output: Contribution to journalArticle

    38 Citations (Scopus)

    Abstract

    Recently, stellar collapse involving black-hole formation from massive stars is suggested to emit enormous fluxes of neutrinos on par with ordinary core-collapse supernovae. We investigate their detectability for the currently operating neutrino detector, SuperKamiokande. Neutrino oscillation is also taken into account for the evaluation. We find that the event number is larger than or comparable to that of supernova neutrinos and, hence, black-hole formation is also a candidate for neutrino astronomy. Moreover, we find that the event number depends dominantly on the equation of state used in the computations of the black-hole formation. This fact implies that the detection of neutrinos emitted from the black hole progenitors is very valuable to probe the properties of the equation of state for hot and/or dense matter.

    Original languageEnglish
    Article number083014
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume78
    Issue number8
    DOIs
    Publication statusPublished - 2008 Oct 30

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    supernovae
    neutrinos
    oscillations
    equations of state
    massive stars
    astronomy
    evaluation
    probes
    detectors

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Oscillation and future detection of failed supernova neutrinos from a black-hole-forming collapse. / Nakazato, Ken'Ichiro; Sumiyoshi, Kohsuke; Suzuki, Hideyuki; Yamada, Shoichi.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 78, No. 8, 083014, 30.10.2008.

    Research output: Contribution to journalArticle

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