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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



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ID: 335747.0, MPI für Gravitationsphysik / Astrophysical Relativity
Coincidence Experiments between Interferometric and Resonant Bar Detectors
Authors:Astone, Pia; Lobo, J. Alberto; Schutz, Bernard F.
Date of Publication (YYYY-MM-DD):1994
Title of Journal:Classical and Quantum Gravity
Volume:11
Issue / Number:8
Start Page:2093
End Page:2112
Review Status:not specified
Audience:Not Specified
Abstract / Description:Gravitational wave coincidence experiments between bars and interferometers may be an attractive option once the new generation of full scale interferometers begins taking data. We discuss various ways in which these disparate types of data can be compared in searches for bursts (from supernovae, for example), for pulsar signals, and for a stochastic background. Comparison of broadband interferometer data with narrowband bar data is appropriate in most searches for bursts, but in many cases the results---especially null results (upper limits)---are difficult to interpret. By narrowbanding the interferometer data to the bandwidth of the bar detector, one produces data sets that may give much clearer information in certain burst searches and that are appropriate for searches for a stochastic background of gravitational waves. We suggest, in fact, that there are circumstances where searches for a stochastic background could be more efficiently performed between a bar and an interferometer than between two interferometers. We examine, in some detail, the effect of narrowbanding the interferometer data. We apply this method to a real interferometer and bar data and assess its signal-to-noise performance for different classes of gravitational wave signals.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
Identifiers:DOI:10.1088/0264-9381/11/8/015
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