No observational constraints from hypothetical collisions of hypothetical dark halo primordial black holes with galactic objects

Details No observational constraints from hypothetical collisions of hypothetical dark halo primordial black holes with galactic objects No observational constraints from hypothetical collisions of hypothetical dark halo primordial black holes with galactic objects

2008-10-17

arxiv.org/abs/0810.3140v3

Astrophys.J.705:659-669,2009

Astronomy and Astrophysics

Astrophysics

Accepted for publication in The Astrophysical Journal

Scientific paper

10.1088/0004-637X/705/1/659

It was suggested by several authors that hypothetical primordial black holes (PBHs) may contribute to the dark matter in our Galaxy. There are strong constraints based on the Hawking evaporation that practically exclude PBHs with masses m~1e15-1e16g and smaller as significant contributors to the Galactic dark matter. Similarly, PBHs with masses greater than about 1e26g are practically excluded by the gravitational lensing observation. The mass range between 10e16g

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