Astrophysical Production of Microscopic Black Holes in a Low Planck-scale World

Details Astrophysical Production of Microscopic Black Holes in a Low Planck-scale World Astrophysical Production of Microscopic Black Holes in a Low Planck-scale World

2005-05-20

arxiv.org/abs/astro-ph/0505436v1

Astrophys.J.630:1015-1019,2005

Astronomy and Astrophysics

Astrophysics

To appear in ApJ

Scientific paper

10.1086/432033

In the framework of brane-world models lowering the Planck scale to the TeV range, it has recently been pointed out that small black holes could be formed at particle colliders or by neutrinos interactions in the atmosphere. This article aims at reviewing other places and epochs where microscopic black holes could be formed : the interstellar medium and the early Universe. The related decay channels and the propagation of the emitted particles are studied to conclude that, in spite of the large creation rate for such black holes, the amount of produced particles do not conflict with experimental data. This shows, from the astronomical viewpoint, that models with large extra dimensions making the gravity scale much lower are compatible with observations.

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