The gamma-ray background: a consequence of metagalactic cosmic ray origin?
- 1 January 1974
- journal article
- Published by IOP Publishing in Journal of Physics A: Mathematical, Nuclear and General
- Vol. 7 (1) , 120-134
- https://doi.org/10.1088/0305-4470/7/1/019
Abstract
An estimate is made of the gamma -ray spectrum resulting from an extragalactic, evolving source model of cosmic ray origin in the absence of intergalactic gas. The experimental situation does not at present appear to allow definite rejection of this theory, since the calculated spectrum lies between the extreme observational limits. It is possible that such a theory can explain the cosmic ray spectrum, the isotropy of cosmic rays and the diffuse gamma -ray spectrum.Keywords
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