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Gravity-dominated unequal-mass black hole collisions

dc.creatorSperhake, Ulrich
dc.creatorBerti, Emanuele
dc.creatorCardoso, Vitor
dc.creatorPretorius, Frans
dc.description.abstractWe continue our series of studies of high-energy collisions of black holes investigating unequalmass, boosted head-on collisions in four dimensions. We show that the fraction of the center-of-mass energy radiated as gravitational waves becomes independent of mass ratio and approximately equal to 13% at large energies. We support this conclusion with calculations using black hole perturbation theory and Smarr’s zero-frequency limit approximation. These results lend strong support to the conjecture that the detailed structure of the colliding objects is irrelevant at high energies.
dc.publisherPhysical Review D
dc.titleGravity-dominated unequal-mass black hole collisions

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