Speaker
Dr
Ken'ichiro Nakazato
(Kyushu Univ.)
Description
A proto-neutron star (PNS) is a newly formed compact object in a core collapse supernova. Using a series of phenomenological equations of state (EOS), we have systematically investigated the neutrino emission from the cooling process of a PNS. The numerical code utilized in this study follows a quasi-static evolution of a PNS solving the general-relativistic stellar structure with neutrino diffusion. As a result, the cooling timescale evaluated from the neutrino light curve is found to be longer for the EOS models with small neutron star radius. We discuss how to extract the properties of a PNS (such as mass and radius) and the nuclear EOS.
Primary author
Dr
Ken'ichiro Nakazato
(Kyushu Univ.)
