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  Long gravitational-wave transients and associated detection strategies for a network of terrestrial interferometers

Thrane, E., Kandhasamy, S., Ott, C. D., Anderson, W. G., Christensen, N. L., Coughlin, M. W., et al. (2011). Long gravitational-wave transients and associated detection strategies for a network of terrestrial interferometers. Physical Review D, 83(8): 083004. doi:10.1103/PhysRevD.83.083004.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-0885-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-0886-F
Genre: Journal Article

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 Creators:
Thrane, Eric, Author
Kandhasamy, Shivaraj, Author
Ott, Christian D, Author
Anderson, Warren G, Author
Christensen, Nelson L, Author
Coughlin, Michael W, Author
Dorsher, Steven, Author
Giampanis, Stefanos1, Author              
Mandic, Vuk, Author
Mytidis, Antonis, Author
Prestegard, Tanner, Author
Raffai, Peter, Author
Whiting, Bernard, Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Searches for gravitational waves (GWs) traditionally focus on persistent sources (e.g., pulsars or the stochastic background) or on transients sources (e.g., compact binary inspirals or core-collapse supernovae), which last for timescales of milliseconds to seconds. We explore the possibility of long GW transients with unknown waveforms lasting from many seconds to weeks. We propose a novel analysis technique to bridge the gap between short O(s) burst analyses and persistent stochastic analyses. Our technique utilizes frequency-time maps of GW strain cross-power between two spatially separated terrestrial GW detectors. The application of our cross-power statistic to searches for GW transients is framed as a pattern recognition problem, and we discuss several pattern-recognition techniques. We demonstrate these techniques by recovering simulated GW signals in simulated detector noise. We also recover environmental noise artifacts, thereby demonstrating a novel technique for the identification of such artifacts in GW interferometers. We compare the efficiency of this framework to other techniques such as matched filtering.

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 Dates: 2010-12-092011-02-252011
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: arXiv: 1012.2150
DOI: 10.1103/PhysRevD.83.083004
URI: http://arxiv.org/abs/1012.2150
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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: 83 (8) Sequence Number: 083004 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258