On particle collisions near Kerr's black holes

Abstract

Scattering of particles in the gravitational field of rotating black holes is considered. Expressions for scattering energy of particles in the centre of mass system are obtained. It is shown that scattering energy of particles in the centre of mass system can obtain very large values not only for extremal black holes but also for nonextremal ones. It is shown that for realizing of the collisions with infinite energy one needs the infinite interval not only of the coordinate time but also the infinite interval of the proper time of the free falling particle.

LATEX, 4 pages, 1 figure. arXiv admin note: substantial text overlap with arXiv:1004.0913

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• On particles collisions near rotating black holes
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• Particle Acceleration in Kerr-(anti-) de Sitter Black Hole Backgrounds
• Effects of acceleration on the collision of particles in the rotating black hole spacetime
• High energy processes in the vicinity of the Kerr's black hole horizon
• On collisions with unlimited energies in the vicinity of Kerr and Schwarzschild black hole horizons
• Near-Horizon Collisions around Near-Extremal Black Holes