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Institute for the Physics and Mathematics of the UniverseWPI


Date: July 10, 2008, 13:30 - 15:00
Place: Seminar Room at IPMU Prefab. B, Kashiwa Campus of the University of Tokyo
Speaker: Shiou Kawagoe (Tokyo)
Title: Neutrino oscillations in non-spherical supernova
Abstract: Over the last decades, it has been observationally suggested that the core-collapse supernovae are generally aspherical. On the other hand, most of the previous studies about the neutrino oscillation with the predictions of the neutrino spectra have been concerned with the spherically symmetric supernova explosions. In order to clarify the dependence of the neutrino spectra in the direction, we calculated the neutrino spectra in two typical directions of the equator and the pole, and compared them with each other. In this talk, I would like to discuss how the explosion anisotropy affects the neutrino spectra through the neutrino oscillation in the non-spherical supernova envelope.