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

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arxiv 0907.1252 v2 pith:R5MK2KPG submitted 2009-07-07 gr-qc hep-th

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

classification gr-qc hep-th
keywords blackparameterbehaviorenergyholeimpactnearzoom-whirl
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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 about 0.95) and the radiated energy can be as large as 35% of the center-of-mass energy.

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Cited by 3 Pith papers

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  3. Spin-up and mass-gain in hyperbolic encounters of spinning black holes

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    Numerical relativity simulations of equal-mass black holes with initial spins from -0.7 to 0.7 in hyperbolic encounters find maximum spin-up of 0.3 and mass increase of 15%, with spin-up decreasing linearly with initi...