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

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

School of Advanced Science and Engineering

Research output: Contribution to journal › Conference article

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 language	English
Journal	Proceedings of Science
Publication status	Published - 2008 Dec 1
Event	10th Symposium on Nuclei in the Cosmos, NIC 2008 - Mackinac Island, MI, United States Duration: 2008 Jul 27 → 2008 Aug 1

ASJC Scopus subject areas

General

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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. Proceedings of Science.

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abstract = "We study the gravitational collapse of non-rotating massive stars (40-50Modot;) 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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T1 - Short neutrino burst from failed supernovae as a probe of dense matter with hyperon mixture

AU - Sumiyoshi, Kohsuke

AU - Ishizuka, Chikako

AU - Ohnishi, Akira

AU - Yamada, Shoichi

AU - Suzuki, Hideyuki

PY - 2008/12/1

Y1 - 2008/12/1

N2 - We study the gravitational collapse of non-rotating massive stars (40-50Modot;) 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.

AB - We study the gravitational collapse of non-rotating massive stars (40-50Modot;) 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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