Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Kei Kotake"'
Autor:
Kanji Mori, Takashi J. Moriya, Tomoya Takiwaki, Kei Kotake, Shunsaku Horiuchi, Sergei I. Blinnikov
Publikováno v:
The Astrophysical Journal, Vol 943, Iss 1, p 12 (2023)
It was recently proposed that exotic particles can trigger a new stellar instability that is analogous to the e ^− e ^+ pair instability if they are produced and reach equilibrium in the stellar plasma. In this study, we construct axion instability
Externí odkaz:
https://doaj.org/article/aef4f596cc074c50a42137cb1f7b5a27
Autor:
Kei Kotake, Tomoya Takiwaki, Yudai Suwa, Wakana Iwakami Nakano, Shio Kawagoe, Youhei Masada, Shin-ichiro Fujimoto
Publikováno v:
Advances in Astronomy, Vol 2012 (2012)
Core-collapse supernovae are dramatic explosions marking the catastrophic end of massive stars. The only means to get direct information about the supernova engine is from observations of neutrinos emitted by the forming neutron star, and through gra
Externí odkaz:
https://doaj.org/article/dd0c4ef38c3e465faf46864a45a5d539
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2021, 508 (1), pp.966-985. ⟨10.1093/mnras/stab2607⟩
Mon.Not.Roy.Astron.Soc.
Mon.Not.Roy.Astron.Soc., 2021, 508 (1), pp.966-985. ⟨10.1093/mnras/stab2607⟩
Monthly Notices of the Royal Astronomical Society, 2021, 508 (1), pp.966-985. ⟨10.1093/mnras/stab2607⟩
Mon.Not.Roy.Astron.Soc.
Mon.Not.Roy.Astron.Soc., 2021, 508 (1), pp.966-985. ⟨10.1093/mnras/stab2607⟩
We present a detailed analysis to clarify what determines the growth of the low-$T/|W|$ instability in the context of rapidly rotating core-collapse of massive stars. To this end, we perform three-dimensional core-collapse supernova (CCSN) simulation
Autor:
Kanji Mori, Takashi J. Moriya, Tomoya Takiwaki, Kei Kotake, Shunsaku Horiuchi, Sergei I. Blinnikov
It was recently proposed that exotic particles can trigger a new stellar instability which is analogous to the e-e+ pair instability if they are produced and reach equilibrium in the stellar plasma. In this study, we construct axion instability super
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2e83139755707e86ab9ed13081b568b
http://arxiv.org/abs/2209.03517
http://arxiv.org/abs/2209.03517
Publikováno v:
The Fifteenth Marcel Grossmann Meeting.
Publikováno v:
The Fifteenth Marcel Grossmann Meeting.
In the absence of high-statistics supernova neutrino measurements, estimates of the diffuse supernova neutrino background (DSNB) hinge on the precision of simulations of core-collapse supernovae. Understanding the cooling phase of protoneutron star (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c307f7c048e59fc744cc6f7cb46a40d8
http://arxiv.org/abs/2206.05299
http://arxiv.org/abs/2206.05299
Publikováno v:
Physical Review D. 105
Axion-like particles (ALPs) are a class of hypothetical pseudoscalar particles which feebly interact with ordinary matter. The hot plasma of core-collapse supernovae is a possible laboratory to explore physics beyond the standard model including ALPs
We present results from a self-consistent, non-rotating core-collapse supernova simulation in three spatial dimensions using a binary evolution progenitor model of SN 1987A by Urushibata et al. (2018). This 18.3 solar-mass progenitor model is evolved
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55fa88c6a0507acde0456415821bac43
http://arxiv.org/abs/2202.06295
http://arxiv.org/abs/2202.06295
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 499:4174-4194
We study the effects of the magnetic field on the dynamics of non-rotating stellar cores by performing 2D, magnetohydrodynamic (MHD) simulations. To this end, we have updated our neutrino-radiation-hydrodynamics supernova code to include MHD employin