Red-shifted annihilation lines in thermal synchrotron model of gamma-ray bursts

Details Red-shifted annihilation lines in thermal synchrotron model of gamma-ray bursts Red-shifted annihilation lines in thermal synchrotron model of gamma-ray bursts

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.136..363s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 136, no. 2, Aug. 1987, p. 363-368.

Astronomy and Astrophysics

Astrophysics

1

Annihilation Reactions, Gamma Ray Bursts, Line Spectra, Red Shift, Synchrotron Radiation, Emission Spectra, Magnetic Fields, Positrons, Thermal Radiation

Scientific paper

The origins of the gravitationally-red-shifted annihilation lines of gamma-ray bursts in thermal synchrotron-radiation models are discussed in this paper. It is shown that the positrons produced by high-energy photons which are obtained by extrapolation from the continua through strong magnetic fields could not be the main source of the annihilation lines, while that escaping from the hot thin region might account for the emission features.

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