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Gravitational waves from black hole binary inspiral and merger: The span of third post-Newtonian effective-one-body templates | Thibault Damour
; Bala R. Iyer
; Piotr Jaranowski
; B.S. Sathyaprakash
; | Date: |
12 Nov 2002 | Journal: | Phys.Rev. D67 (2003) 064028 | Subject: | gr-qc | Affiliation: | IHES, France), Bala R. Iyer (RRI, India), Piotr Jaranowski (ITP, Poland) and B.S. Sathyaprakash (Cardiff University, UK | Abstract: | We extend the description of gravitational waves emitted by binary black holes during the final stages of inspiral and merger by introducing in the third post-Newtonian (3PN) effective-one-body (EOB) templates seven new ``flexibility’’ parameters that affect the two-body dynamics and gravitational radiation emission. The plausible ranges of these flexibility parameters, notably the parameter characterising the fourth post-Newtonian effects in the dynamics, are estimated. Using these estimates, we show that the currently available standard 3PN bank of EOB templates does ``span’’ the space of signals opened up by all the flexibility parameters, in that their maximized mutual overlaps are larger than 96.5%. This confirms the effectualness of 3PN EOB templates for the detection of binary black holes in gravitational-wave data from interferometric detectors. The possibility to drastically reduce the number of EOB templates using a few ``universal’’ phasing functions is suggested. | Source: | arXiv, gr-qc/0211041 | Services: | Forum | Review | PDF | Favorites |
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