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  Template bank for gravitational waveforms from coalescing binary black holes: Nonspinning binaries

Ajith, P., Babak, S., Chen, Y., Hewitson, M., Krishnan, B., Sintes, A. M., et al. (2008). Template bank for gravitational waveforms from coalescing binary black holes: Nonspinning binaries. Physical Review D, 77(10): 104017. doi:10.1103/PhysRevD.77.104017.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6347-8 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-634C-D
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PhyRevD77-104017.pdf (Verlagsversion), 2MB
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Ajith, P.1, Autor
Babak, Stanislav1, Autor              
Chen, Yanbei1, Autor              
Hewitson, Martin2, Autor              
Krishnan, Badri1, Autor              
Sintes, A. M.1, Autor              
Whelan, John T.1, Autor              
Brügmann, B.3, Autor
Diener, P.3, Autor
Dorband, Nils1, Autor              
Gonzales, J.3, Autor
Hannam, M.3, Autor
Husa, Sascha1, Autor              
Pollney, Denis1, Autor              
Rezzolla, Luciano1, Autor              
Santamaria Lara, Lucia1, Autor              
Sperhake, U.3, Autor
Thornburg, J.1, Autor
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:24013              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, escidoc:24011              
3External Organizations, escidoc:24013              

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 Zusammenfassung: Gravitational waveforms from the inspiral and ring-down stages of the binary black-hole coalescences can be modeled accurately by approximation/perturbation techniques in general relativity. Recent progress in numerical relativity has enabled us to model also the nonperturbative merger phase of the binary black-hole coalescence problem. This enables us to coherently search for all three stages of the coalescence of nonspinning binary black holes using a single template bank. Taking our motivation from these results, we propose a family of template waveforms which can model the inspiral, merger, and ring-down stages of the coalescence of nonspinning binary black holes that follow quasicircular inspiral. This two-dimensional template family is explicitly parametrized by the physical parameters of the binary. We show that the template family is not only effectual in detecting the signals from black-hole coalescences, but also faithful in estimating the parameters of the binary. We compare the sensitivity of a search (in the context of different ground-based interferometers) using all three stages of the black-hole coalescence with other template-based searches which look for individual stages separately. We find that the proposed search is significantly more sensitive than other template-based searches for a substantial mass range, potentially bringing about remarkable improvement in the event rate of ground-based interferometers. As part of this work, we also prescribe a general procedure to construct interpolated template banks using nonspinning black-hole waveforms produced by numerical relativity.

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 Datum: 2008-05
 Publikationsstatus: Im Druck publiziert
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 Identifikatoren: DOI: 10.1103/PhysRevD.77.104017
eDoc: 438195
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Titel: Physical Review D
Genre der Quelle: Zeitschrift
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Seiten: - Band / Heft: 77 (10) Artikelnummer: 104017 Start- / Endseite: - Identifikator: ISSN: 1089-4918