Pulsars and cosmic rays in the dense supernova shells

Details Pulsars and cosmic rays in the dense supernova shells Pulsars and cosmic rays in the dense supernova shells

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....66..325v&link_type=abstract

Astronomy and Astrophysics, vol. 66, no. 3, June 1978, p. 325-334.

Astronomy and Astrophysics

Astronomy

37

Cosmic Rays, Gamma Ray Astronomy, Neutrinos, Pulsars, Supernova Remnants, Energy Dissipation, Light Curve, Neutron Emission, Neutron Stars, Relativistic Particles, Stellar Rotation

Scientific paper

Cosmic rays injected by a young pulsar in the dense supernova shell are considered. The fluxes of gamma and neutrino radiation generated through decays of pions in the expanding shell are calculated. The maintenance of the Galactic cosmic-ray pool by pulsar production is shown to have a difficulty: adiabatic energy losses of cosmic rays in the expanding shell require a high initial cosmic-ray luminosity of pulsar, which results in too high a flux of gamma radiation produced by young pulsars through neutral-pion decays (in excess over the observed diffuse gamma-ray background).

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