Vitor Cardoso et al 2005 Class. Quantum Grav. 22 L61 doi:10.1088/0264-9381/22/12/L01
Vitor Cardoso1,2, Emanuele Berti1 and Marco Cavaglià1
Show affiliationsHigher-dimensional scenarios allow for the formation of mini black holes from TeV-scale particle collisions. The purpose of this letter is to review and compare different methods for the estimate of the total gravitational energy emitted in this process. To date, black-hole formation has mainly been studied using an apparent horizon search technique. This approach yields only an upper bound on the gravitational energy emitted during black-hole formation. Alternative calculations based on instantaneous collisions of point particles and black-hole perturbation theory suggest that the emitted gravitational energy may be smaller. New and more refined methods may be necessary to accurately describe black-hole formation in high-energy particle collisions.
04.70.-s Physics of black holes
04.50.-h Higher-dimensional gravity and other theories of gravity
83C40 Gravitational energy and conservation laws; groups of motions
Issue 12 (21 June 2005)
Received 21 April 2005, in final form 17 May 2005
Published 6 June 2005
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