Emission of Photoneutrinos and Pair Annihilation Neutrinos from Stars

Details Emission of Photoneutrinos and Pair Annihilation Neutrinos from Stars Emission of Photoneutrinos and Pair Annihilation Neutrinos from Stars

May 1961

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1961phrv..122.1317c&link_type=abstract

Physical Review, vol. 122, Issue 4, pp. 1317-1322

Physics

63

Scientific paper

Field-theoretic calculations of the cross sections for the photoneutrino process, γ+e--->e-+ν+ν¯, and the pair annihilation process, e++e--->ν+ν¯, are performed in order to obtain the neutrino luminosity of very hot stars (Tc>~5×108°K). The energy loss rate which is obtained for the latter process is sufficient to determine the rate of evolution of the stellar core when Tc>~2×109°K.

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