On the origin of the galactic annihilation radiation

Details On the origin of the galactic annihilation radiation On the origin of the galactic annihilation radiation

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7..714a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Dec. 1981, p. 714-719.) Soviet Astronomy Letters, vol. 7, Nov.-Dec. 1981, p. 395-398

Astronomy and Astrophysics

Astronomy

1

Galactic Radiation, Positron Annihilation, Radiation Sources, Galactic Nuclei, Gamma Ray Astronomy, Line Spectra, Photons

Scientific paper

A relation is obtained between the photon emissivity in the 0.511-MeV line and the gamma-ray continuum resulting from suprathermal-positron annihilation. Comparison with the observational data imposes a quite stringent constraint on the spectrum of the positrons being injected into the formation region of the 0.511-MeV annihilation line observed in the galactic-center direction.

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