Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...203..317b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 203, no. 2, Sept. 1988, p. 317-321.
Astronomy and Astrophysics
Astronomy
4
Cosmic Rays, Gamma Rays, Pulsars, Supernova 1987A, Black Holes (Astronomy), Cerenkov Radiation, Energy Levels, Milky Way Galaxy, Photosphere, Power Spectra
Scientific paper
Theoretical models of gamma-ray acceleration to 100-TeV energy levels in SN explosions are analyzed to facilitate interpretation of gamma-ray observations of SN 1987A. The fundamental physical principles of the models and the constraints applied are discussed; problems in the detection of 100-TeV gamma rays are considered; and numerical results are presented in tables. It is found that 100-TeV gamma radiation can only be produced by protons of energies about 1 PeV from a central compact object such as a pulsar or black hole; these gamma rays should be detected more readily by the atmospheric Cerenkov technique at 1 TeV than at 100 TeV. It is estimated that the transparency of the shell for such gamma rays begins about 10 months after the SN explosion due to a Rayleigh-Taylor instability in the shell.
Berezinskii V. S.
Castagnoli Carlo
Navarra Gianni
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