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  Extending the PyCBC search for gravitational waves from compact binary mergers to a global network

Davies, G. S., Dent, T., Tápai, M., Harry, I., McIsaac, C., & Nitz, A. H. (2020). Extending the PyCBC search for gravitational waves from compact binary mergers to a global network. Physical Review D, 102: 022004. doi:10.1103/PhysRevD.102.022004.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-F1C8-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-BE78-E
Genre: Journal Article

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Davies, Gareth S., Author
Dent, Thomas, Author
Tápai, Márton, Author
Harry, Ian, Author
McIsaac , Connor1, Author
Nitz, Alexander H.1, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: The worldwide advanced gravitational-wave (GW) detector network has so far primarily consisted of the two Advanced LIGO observatories at Hanford and Livingston, with Advanced Virgo joining the 2016-7 O2 observation run at a relatively late stage. However Virgo has been observing alongside the LIGO detectors since the start of the O3 run; in the near future, the KAGRA detector will join the global network and a further LIGO detector in India is under construction. Gravitational-wave search methods would therefore benefit from the ability to analyse data from an arbitrary network of detectors. In this paper we extend the PyCBC offline compact binary coalescence (CBC) search analysis to three or more detectors, and describe resulting updates to the coincident search and event ranking statistic. For a three-detector network, our improved multi-detector search finds 20% more simulated signals at fixed false alarm rate in idealized colored Gaussian noise, and up to 40% more in real data, compared to the two-detector analysis previously used during O2.

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 Dates: 2020-02-192020-03-242020
 Publication Status: Published in print
 Pages: 12 pages, 6 figures
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2002.08291
URI: http://arxiv.org/abs/2002.08291
DOI: 10.1103/PhysRevD.102.022004
 Degree: -

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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: 102 Sequence Number: 022004 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258