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  Estimating the sensitivity of wide-parameter-space searches for gravitational-wave pulsars

Wette, K. (2012). Estimating the sensitivity of wide-parameter-space searches for gravitational-wave pulsars. Physical Review D, 85(4): 042003. doi:10.1103/PhysRevD.85.042003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-6278-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-627E-7
Genre: Journal Article

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1111.5650 (Preprint), 846KB
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 Creators:
Wette, Karl1, Author              
Affiliations:
1Observational 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
 Abstract: This paper presents an in-depth study of how to estimate the sensitivity of searches for gravitational-wave pulsars -- rapidly-rotating neutron stars which emit quasi-sinusoidal gravitational waves. It is particularly concerned with searches over a wide range of possible source parameters, such as searches over the entire sky and broad frequency bands. Traditional approaches to estimating the sensitivity of such searches use either computationally-expensive Monte Carlo simulations, or analytic methods which sacrifice accuracy by making an unphysical assumption about the population of sources being searched for. This paper develops a new, analytic method of estimating search sensitivity which does not rely upon this unphysical assumption. Unlike previous analytic methods, the new method accurately predicts the sensitivity obtained using Monte Carlo simulations, while avoiding their computational expense. The change in estimated sensitivity due to properties of the search template bank, and the geographic configuration of the gravitational wave detector network, are also investigated.

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 Dates: 2011-11-2320112012-01-262012
 Publication Status: Published in print
 Pages: 16 figures, 2 tables, REVTeX 4.1
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1111.5650
DOI: 10.1103/PhysRevD.85.042003
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 85 (4) Sequence Number: 042003 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258