Observational consequences of positron production by evaporating black holes

Details Observational consequences of positron production by evaporating black holes Observational consequences of positron production by evaporating black holes

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81..263o&link_type=abstract

Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 263, 264.

Astronomy and Astrophysics

Astronomy

14

Black Holes (Astronomy), Pair Production, Positrons, Annihilation Reactions, Electron-Positron Pairs, Electrons, Gravitons, Mass Spectra, Neutrinos, Photons

Scientific paper

The detectable effects of positrons emitted by the quantum evaporation of primordial black holes (PBHs) are discussed. The emission of electron-positron pairs, and of photons, gravitons, and neutrinos by evaporating PBHs is considered, taking the mass of the PBH into account. It is concluded that if the mass spectrum rises towards large masses, the 0.511 MeV annihilation radiation from the galactic center reported by Leventhal et al. could result from low energy positrons produced in this way.

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