We study the radiation from a collision of black holes with equal and opposite linear momenta. Results are presented from a full numerical relativity treatment and are compared with the results from a ``close-slow'' approximation. The agreement is remarkable, and suggests several insights about the generation of gravitational radiation in black hole collisions.
@article{arxiv.gr-qc/9608064,
title = {The collision of boosted black holes},
author = {John Baker and Andrew Abrahams and Peter Anninos and Steve Brandt and Richard Price and Jorge Pullin and Edward Seidel},
journal= {arXiv preprint arXiv:gr-qc/9608064},
year = {2009}
}