Cross section, final spin, and zoom-whirl behavior in high-energy black-hole collisions

Ulrich Sperhake; Vitor Cardoso; Frans Pretorius; Emanuele Berti; Tanja Hinderer; Nicolas Yunes

doi:10.1103/PhysRevLett.103.131102

Cross section, final spin, and zoom-whirl behavior in high-energy black-hole collisions

Ulrich Sperhake^*, Vitor Cardoso, Frans Pretorius, Emanuele Berti, Tanja Hinderer, Nicolas Yunes

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

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/M0.95) and the radiated energy can be as large as 35±5% of the center-of-mass energy.

Original language	English
Article number	131102
Journal	Physical Review Letters
Volume	103
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.103.131102
Publication status	Published - 22 Sept 2009

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abstract = "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/M0.95) and the radiated energy can be as large as 35±5% of the center-of-mass energy.",

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AU - Cardoso, Vitor

AU - Pretorius, Frans

AU - Berti, Emanuele

AU - Hinderer, Tanja

AU - Yunes, Nicolas

PY - 2009/9/22

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AB - 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/M0.95) and the radiated energy can be as large as 35±5% of the center-of-mass energy.

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Cross section, final spin, and zoom-whirl behavior in high-energy black-hole collisions

Abstract

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