Possible effects of positronium negative ion on 0.511 MeV gamma-ray line in astrophysical sources

Details Possible effects of positronium negative ion on 0.511 MeV gamma-ray line in astrophysical sources Possible effects of positronium negative ion on 0.511 MeV gamma-ray line in astrophysical sources

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..85...31s&link_type=abstract

Astrophysics and Space Science, vol. 85, no. 1-2, July 1982, p. 31-34.

Astronomy and Astrophysics

Astrophysics

8

Annihilation Reactions, Astrophysics, Gamma Ray Spectra, Negative Ions, Positronium, Black Holes (Astronomy), Galactic Nuclei, Line Spectra, Particle Interactions, Positrons, Solar Flares

Scientific paper

The astrophysical importance of the negative positronium ion, detected recently in the laboratory, has been pointed out. It is found that the presence of Ps(-) ions will contribute additionally to the width of the 0.511 gamma-ray line formed by pair annihilation. The formation of Ps(-) ion from an aggregate of electrons, positrons and positronium results in a variable positron population in the 0.511 MeV gamma-ray line source.

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