Hard gamma-ray emission from primordial black hole haloes around massive objects

Details Hard gamma-ray emission from primordial black hole haloes around massive objects Hard gamma-ray emission from primordial black hole haloes around massive objects

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..558..854b&link_type=abstract

HIGH ENERGY GAMMA-RAY ASTRONOMY: International Symposium. AIP Conference Proceedings, Volume 558, pp. 854-857 (2001).

Astronomy and Astrophysics

Astronomy

Radiation Mechanisms, Polarization

Scientific paper

Discovery of primordial black holes (PBHs) or more stringent upper limit on their number would have a great impact on the existing cosmological theories and provide better understanding of conditions in the early Universe, including the spectrum of density and metric fluctuations and cold dark matter models. We consider possible strategies of searching for the high-energy Hawking radiation from evaporating PBHs. Specifically, we analyze the capture of cold dark matter species (especially PBHs) during the formation of gravitationally bound objects. Among all the objects considered, large (M>=105 Msolar), nearby (within ~5 kpc from the Sun) globular clusters are shown to provide the best prospects for detection of the black holes. .

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