Phys. Rev. Lett. 103, 131102 (2009) [4 pages]

Cross Section, Final Spin, and Zoom-Whirl Behavior in High-Energy Black-Hole Collisions

Abstract

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Ulrich Sperhake¹, Vitor Cardoso^2,3, Frans Pretorius⁴, Emanuele Berti^1,2, Tanja Hinderer¹, and Nicolas Yunes⁴
¹California Institute of Technology, Pasadena, California 91109, USA
²Department of Physics and Astronomy, The University of Mississippi, University, Mississippi 38677, USA
³CENTRA, Departamento de Física, Instituto Superior Técnico, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
⁴Department of Physics, Princeton University, Princeton, New Jersey 08544, USA

Received 7 July 2009; published 22 September 2009

We study the collision of two highly boosted equal-mass, nonrotating black holes with generic impact parameter. We find such systems to exhibit zoom-whirl behavior when fine-tuning the impact parameter. Near the threshold of immediate merger the remnant black-hole Kerr parameter can be near maximal (a/M≳0.95) and the radiated energy can be as large as 35±5% of the center-of-mass energy.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.103.131102

DOI:

10.1103/PhysRevLett.103.131102

PACS:

04.25.dg, 04.25.dc, 04.70.−s

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Phys. Rev. Lett. 103, 131102 (2009) [4 pages]

Cross Section, Final Spin, and Zoom-Whirl Behavior in High-Energy Black-Hole Collisions

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