Influence of primordial black holes on the evolution of different stellar populations

Details Influence of primordial black holes on the evolution of different stellar populations Influence of primordial black holes on the evolution of different stellar populations

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..555..375d&link_type=abstract

Cosmology and Particle Physics: CAPP 2000. AIP Conference Proceedings, Volume 555, pp. 375-378 (2001).

Physics

Origin And Formation Of The Universe, Dark Matter

Scientific paper

We show that cold dark matter (CDM) captured in the very first gravitationally bound objects formed in the early Universe has a velocity dispersion small enough to allow individual stars to retain a significant amount of CDM in their interior. If CDM comprises primordial black holes (PBHs) as a minor component, this could have a dramatic effect on the fate of such stars even if PBHs constitute only 10-9-10-8 fraction of the critical density of the Universe, which is consistent with the non-detection of hard gamma-ray emission from evaporating black holes. .

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