Solar Gamma Flux Induced by Supernova Neutrinos

Details Solar Gamma Flux Induced by Supernova Neutrinos Solar Gamma Flux Induced by Supernova Neutrinos

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009pobeo..86...45h&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, vol. 86, pp. 45-50

Astronomy and Astrophysics

Astronomy

Scientific paper

Supernova (SN) explosions release a burst of neutrinos. In order to get an "early" signal and an estimate of the energy released in a nearby supernova explosion, we explore processes that neutrinos would induce in hydrogen-rich environments: p+bar{ν}_{e}→ n+e^{+}. We consider the accompanying positron annihilation with an electron, which results in a production of gamma-rays of 0.511 MeV. Our idea is to use the Sun, as a hydrogen- rich environment, to detect this kind of events indirectly, before an optical display of supernova. We theoretically estimate 0.511 MeV gamma - ray flux induced in the surface layer of the Sun.

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