Anisotropic neutrino radiation in rotational core collapse

作者: Kei Kotake , Shoichi Yamada , Katsuhiko Sato

DOI: 10.1086/377196

关键词: PhysicsMeasurements of neutrino speedAstrophysicsNuclear physicsElectronSupernovaCosmic neutrino backgroundAnisotropySolar neutrino problemNeutrino oscillationNeutrino

摘要: We have done a series of two-dimensional hydrodynamic simulations the rotational collapse supernova core and estimated anisotropy neutrino radiation from nonspherical spheres. employed realistic equation state approximated electron captures transport by so-called leakage scheme. calculated heating rates outside sphere, assuming that neutrinos are emitted isotropically each point on sphere. found heat matter near axis more strongly than those equatorial plane. This might induce globally anisotropic explosion.

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