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  Recoil velocities from equal-mass binary-black-hole mergers

Koppitz, M., Pollney, D., Reisswig, C., Rezzolla, L., Thornburg, J., Diener, P., et al. (2007). Recoil velocities from equal-mass binary-black-hole mergers. Physical Review Letters, 99(4): 041102. doi:http://link.aps.org/abstract/PRL/v99/e041102.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4803-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4804-1
Genre: Journal Article

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 Creators:
Koppitz, Michael1, Author              
Pollney, Denis1, Author              
Reisswig, Christian1, Author              
Rezzolla, Luciano1, Author              
Thornburg, Jonathan1, Author
Diener, Peter, Author
Schnetter, Erik1, Author
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1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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 Abstract: The final evolution of a binary-black-hole system gives rise to a recoil velocity if an asymmetry is present in the emitted gravitational radiation. Measurements of this effect for nonspinning binaries with unequal masses have pointed out that kick velocities ~175 km/s can be reached for a mass ratio ~=0.36. However, a larger recoil can be obtained for equal-mass binaries if the asymmetry is provided by the spins. Using two independent methods we show that the merger of such binaries yields velocities as large as ~440 km/s for black holes having unequal spins that are antialigned and parallel to the orbital angular momentum

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 Dates: 2007-07-27
 Publication Status: Published in print
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 Identifiers: eDoc: 334891
ISI: 000248345800008
DOI: http://link.aps.org/abstract/PRL/v99/e041102
Other: arXiv:gr-qc/0701163
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 99 (4) Sequence Number: 041102 Start / End Page: - Identifier: ISSN: 0031-9007