Semiclassical suppression of black hole production in particle collisions

Details Semiclassical suppression of black hole production in particle collisions Semiclassical suppression of black hole production in particle collisions

2001-07-10

arxiv.org/abs/hep-ph/0107119v1

Phys.Lett.B518:137-142,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages

Scientific paper

10.1016/S0370-2693(01)01061-9

It is argued that the cross section for production of large black holes, for which a semiclassical description is applicable, cannot be given by the geometric area of the black hole horizon, as claimed recently in the literature. Rather the production cross section in a few-particle collision is suppressed by at least a factor exp(-I_E) with I_E being the Gibbons-Hawking (Euclidean) action for the black hole. Thus only essentially non-classical small black holes with mass of the order of the Planck mass can possibly be produced in few-particle collisions at trans-Planckian energies.

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