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  Searching for the full symphony of black hole binary mergers

Harry, I., Calderón Bustillo, J., & Nitz, A. H. (2018). Searching for the full symphony of black hole binary mergers. Physical Review D, 97: 023004. doi:10.1103/PhysRevD.97.023004.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-635F-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ECAF-0
Genre: Journal Article

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 Creators:
Harry, Ian1, Author              
Calderón Bustillo, Juan , Author
Nitz, Alexander H.2, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: Current searches for the gravitational-wave signature of compact binary mergers rely on matched-filtering data from interferometric observatories with sets of modelled gravitational waveforms. These searches currently use model waveforms that do not include the higher-order mode content of the gravitational-wave signal. Higher-order modes are important for many compact binary mergers and their omission reduces the sensitivity to such sources. In this work we explore the sensitivity loss incurred from omitting higher-order modes. We present a new method for searching for compact binary mergers using waveforms that include higher-order mode effects, and evaluate the sensitivity increase that using our new method would allow. We find that, when evaluating sensitivity at a constant rate-of-false alarm, and when including the fact that signal-consistency tests can reject some signals that include higher-order mode content, we observe a sensitivity increase of up to a factor of 2 in volume for high mass ratio, high total-mass systems. Our new search method is also directly applicable in searches for generic compact binaries.

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 Dates: 2017-09-262018
 Publication Status: Published in print
 Pages: 16 pages, 7 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1709.09181
DOI: 10.1103/PhysRevD.97.023004
URI: http://arxiv.org/abs/1709.09181
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 97 Sequence Number: 023004 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258