The plasma model of radioemission from SN 1987A

Details The plasma model of radioemission from SN 1987A The plasma model of radioemission from SN 1987A

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990esasp.311..289b&link_type=abstract

In ESA, Plasma Astrophysics p 289-295 (SEE N91-15046 06-90)

Astronomy and Astrophysics

Astrophysics

Mathematical Models, Plasma Oscillations, Radio Emission, Supernova 1987A, Antineutrinos, Collapse, Flux (Rate), Positrons, Stellar Structure

Scientific paper

The flux of electronic antineutrino from stellar collapse lead to production of relativistic positrons with gamma = 30 outside the shock wave due to reaction p + antineutrinoe = n + e+. Rapid positrons are additionally accelerated in the shock wave, proceeding the main shock and forming as a result of the decrease of the central mass due to mighty neutrino emission. Close collisions of relativistic e+ with surrounding electrons produce new relativistic particles. Anisotropic distribution of relativistic particles leads to excitation of plasma oscillations which are transformed into photons of plasma and double plasma frequency. This process may explain the observed radioemission during first (approximately) ten days after SN 1987 A explosion.

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