More remarks on suppression of large black hole production in particle collisions

Details More remarks on suppression of large black hole production in particle collisions More remarks on suppression of large black hole production in particle collisions

2001-11-08

arxiv.org/abs/hep-ph/0111099v1

Phys.Lett. B524 (2002) 376-382; Erratum-ibid. B605 (2005) 426

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 figure

Scientific paper

10.1016/j.physletb.2004.11.076

The problem of evaluating the cross section of production of large black holes in particle collisions at trans-Planckian energies is revisited. It is argued that the geometric cross section claimed in the literature would in fact lead to an exponentially growing with energy total cross section dominated by production of many "small" black holes. On the other hand, the semiclassical treatment of this problem, leading to an exponentially suppressed cross section for production of large black holes, requires that in the classical limit the cross section vanishes for massless colliding particles. The latter behavior can in principle be probed by numerical simulations in the classical general relativity.

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