On Collisions with Unlimited Energies in the Vicinity of Kerr and Schwarzschild Black Hole Horizons

被引：14

作者：

Grib, A. A. ^{[1
,2
]}

Pavlov, Yu V. ^{[1
,3
]}

Piattella, O. F. ^{[4
,5
]}

机构：

[1] A Friedmann Lab Theoret Phys, St Petersburg 191023, Russia

[2] Herzen Univ, Theoret Phys & Astron Dept, St Petersburg 191186, Russia

[3] Russian Acad Sci, Inst Engn Mech, St Petersburg 199178, Russia

[4] Univ Fed Espirito Santo, Dep Fis, BR-29075910 Vitoria, ES, Brazil

[5] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

来源：

GRAVITATION & COSMOLOGY | 2012年 / 18卷 / 01期

关键词：

DARK-MATTER;

D O I：

10.1134/S0202289312010094

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Two-particle collisions close to the horizon of a rotating non-extremal Kerr black hole and a Schwarzschild black hole are analyzed. For the case of multiple collisions, it is shown that high energy in the center-of-mass frame occurs due to a great relative velocity of two particles and a large Lorentz factor. We analyze the dependence of the relative velocity on the distance to the horizon and calculate the motion time from the point in the accretion disc to the point of scattering with large energy as well as the time of back motion to the Earth. It is shown that they have a reasonable order.

引用

页码：70 / 75

页数：6

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