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Neutrinos and the Universe
E=1015 GeV/particleLEPTOGENESIS
Heavy neutrinos may generate matter-antimatter asymmetry
E= 1 MeV/particle massive neutrinos
affect structure formationtime
Today, Universe contains matter… and we receive from the sun40 billion neutrinos per cm2 per second
neutrinos are emitted by stars and super novae