Semiclassical suppression of black hole production in particle collisions

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Abstract

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(- IE) with IE 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.

Original languageEnglish (US)
Pages (from-to)137-142
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume518
Issue number1-2
DOIs
StatePublished - Oct 11 2001

Bibliographical note

Funding Information:
This work is supported in part by DOE under the grant number DE-FG02-94ER40823.

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