Template banks for binary black hole searches with numerical relativity waveforms

Prayush Kumar, Ilana Macdonald, Duncan A. Brown, Harald P. Pfeiffer, Kipp Cannon, Michael Boyle, Lawrence E. Kidder, Abdul H. Mroué, Mark A. Scheel, Béla Szilágyi, Anil Zenginoǧlu

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Gravitational waves from coalescing stellar-mass black hole binaries (BBHs) are expected to be detected by the Advanced Laser Interferometer gravitational-wave observatory and Advanced Virgo. Detection searches operate by matched filtering the detector data using a bank of waveform templates. Traditionally, template banks for BBHs are constructed from intermediary analytical waveform models which are calibrated against numerical relativity simulations and which can be evaluated for any choice of BBH parameters. This paper explores an alternative to the traditional approach, namely, the construction of template banks directly from numerical BBH simulations. Using nonspinning BBH systems as an example, we demonstrate which regions of the mass-parameter plane can be covered with existing numerical BBH waveforms. We estimate the required number and required length of BBH simulations to cover the entire nonspinning BBH parameter plane up to mass ratio 10, thus illustrating that our approach can be used to guide parameter placement of future numerical simulations. We derive error bounds which are independent of analytical waveform models; therefore, our formalism can be used to independently test the accuracy of such waveform models. The resulting template banks are suitable for advanced LIGO searches.

Original languageEnglish (US)
Article number042002
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number4
DOIs
StatePublished - Feb 18 2014

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Kumar, P., Macdonald, I., Brown, D. A., Pfeiffer, H. P., Cannon, K., Boyle, M., Kidder, L. E., Mroué, A. H., Scheel, M. A., Szilágyi, B., & Zenginoǧlu, A. (2014). Template banks for binary black hole searches with numerical relativity waveforms. Physical Review D - Particles, Fields, Gravitation and Cosmology, 89(4), [042002]. https://doi.org/10.1103/PhysRevD.89.042002