Georg Raffelt, Max-Planck-Institut für Physik, München Totsuka Memorial Symposium, 9 June 2009, Tokyo Newborn Neutron Star ~ 50 km Proto-Neutron Star nuc g cm 3 nuc g cm 3 T 30 MeV NeutrinoCooling Gravitational binding energy Gravitational binding energy E b erg 17% M SUN c 2 E b erg 17% M SUN c 2 This shows up as This shows up as 99% Neutrinos 99% Neutrinos 1% Kinetic energy of explosion 1% Kinetic energy of explosion (1% of this into cosmic rays) (1% of this into cosmic rays) 0.01% Photons, outshine host galaxy 0.01% Photons, outshine host galaxy Neutrino luminosity Neutrino luminosity L erg / 3 sec L erg / 3 sec L SUN L SUN While it lasts, outshines the entire While it lasts, outshines the entire visible universe visible universe Stellar Collapse and Supernova Explosion
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