Positrons from supernova and the origin of the galactic center positron annihilation radiation

Details Positrons from supernova and the origin of the galactic center positron annihilation radiation Positrons from supernova and the origin of the galactic center positron annihilation radiation

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aipc..101..273c&link_type=abstract

AIP Conference Proceedings, Volume 101, pp. 273-280 (1983).

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5

Supernovae, Radiation Mechanisms, Polarization, Elementary Particle Processes

Scientific paper

The emission of positrons from supernova ejecta is discusssed in terms of the galactic center annihilation radiation. The positrons from the radioactive sequences 56Ni-->56Co-->56Fe are the most numerous source from supernova. Only type I supernova will allow a significant fraction to escape the expanding ejecta. For a neutron star model of a type I Sn a fraction 4×10-3 of the escaped positron is enough to creaste the observed several year fluctuation os the annihilation radiation. The likelihood of this model is discussed in terms of other astrophysical evidence as well as the type I SN light curve.

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