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  A stochastic template bank for gravitational wave searches for precessing neutron star - black hole coalescence events

Indik, N., Haris, K., Dal Canton, T., Fehrmann, H., Krishnan, B., Lundgren, A., et al. (2017). A stochastic template bank for gravitational wave searches for precessing neutron star - black hole coalescence events. Physical Review D, 95: 064056. doi:10.1103/PhysRevD.95.064056.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-59DE-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-2FFF-6
Genre: Journal Article

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 Creators:
Indik, Nathaniel1, Author
Haris, K, Author
Dal Canton, Tito1, Author
Fehrmann, Henning1, Author              
Krishnan, Badri2, Author              
Lundgren, Andrew1, Author              
Nielsen, Alex B.2, Author              
Pai, Archana, Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: Gravitational wave searches to date have largely focused on non-precessing systems. Including precession effects greatly increases the number of templates to be searched over. This leads to a corresponding increase in the computational cost and can increase the false alarm rate of a realistic search. On the other hand, there might be astrophysical systems that are entirely missed by non-precessing searches. In this paper we consider the problem of constructing a template bank using stochastic methods for neutron star - black hole binaries allowing for generic precession, but with the restriction that the total angular momentum of the binary is pointing towards the detector. We quantify the number of templates required for the search, and we explicitly construct the template bank. We show that despite the large number of templates, stochastic methods can be adapted to solve the problem. We quantify the parameter space region over which the non-precessing search might miss signals.

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 Dates: 2016-12-152017
 Publication Status: Published in print
 Pages: 11 pages, 16 figures
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 Rev. Method: -
 Identifiers: arXiv: 1612.05173
URI: http://arxiv.org/abs/1612.05173
DOI: 10.1103/PhysRevD.95.064056
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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: 95 Sequence Number: 064056 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258