Upper Limits on a Stochastic Background of Gravitational Waves

Balasubramanian, R., Cokelaer, Thomas, Davies, Geraint, Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961, Fritschel, P., Jones, Gareth, Lazzarini, A., Mandic, V., Messaritaki, Eirini ORCID: https://orcid.org/0000-0002-9917-4160, Regimbau, Tania, Robinson, Craig Anthony, Romano, Joseph David, Sathyaprakash, Bangalore Suryanarayana ORCID: https://orcid.org/0000-0003-3845-7586, Schutz, Bernard Frederick ORCID: https://orcid.org/0000-0001-9487-6983, Sengupta, Anand Sankar and Sutton, Patrick J ORCID: https://orcid.org/0000-0003-1614-3922 2005. Upper Limits on a Stochastic Background of Gravitational Waves. Physical Review Letters 95 (22) , 221101. 10.1103/PhysRevLett.95.221101

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Abstract

The Laser Interferometer Gravitational-Wave Observatory has performed a third science run with much improved sensitivities of all three interferometers. We present an analysis of approximately 200 hours of data acquired during this run, used to search for a stochastic background of gravitational radiation. We place upper bounds on the energy density stored as gravitational radiation for three different spectral power laws. For the flat spectrum, our limit of Ω0<8.4×10-4 in the 69–156 Hz band is ∼105 times lower than the previous result in this frequency range.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Additional Information:	Paper by the LIGO collaboration. Please see publisher's website for full list of authors.
Publisher:	American Physical Society
ISSN:	0031-9007
Last Modified:	10 Oct 2023 17:51
URI:	https://orca.cardiff.ac.uk/id/eprint/1591

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