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Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600–1000 Hz

Abadie, J., Dent, Thomas Edward, Edwards, Mark, Fairhurst, Stephen, Harry, Ian William, MacDonald, Erin, MacLeod, Duncan M., McKechan, David, Messenger, Christopher, Nuttall, Laura, Predoi, Valeriu, Sathyaprakash, Bangalore, Schutz, Bernard Frederick, Sutton, Patrick J., Veitch, John, LIGO Scientific Collaboration, and Virgo Collaboration, 2012. Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600–1000 Hz. Physical Review D Particles and Fields 85 (12) , 122001. 10.1103/PhysRevD.85.122001

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Abstract

A stochastic background of gravitational waves is expected to arise from a superposition of many incoherent sources of gravitational waves, of either cosmological or astrophysical origin. This background is a target for the current generation of ground-based detectors. In this article we present the first joint search for a stochastic background using data from the LIGO and Virgo interferometers. In a frequency band of 600–1000 Hz, we obtained a 95% upper limit on the amplitude of ΩGW(f)=Ω3(f/900  Hz)3, of Ω3<0.32, assuming a value of the Hubble parameter of h100=0.71. These new limits are a factor of seven better than the previous best in this frequency band.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Additional Information: Please go to publisher's page for full list of contributors to this paper.
Publisher: American Physical Society
ISSN: 0556-2821
Last Modified: 13 Jul 2019 23:43
URI: http://orca.cf.ac.uk/id/eprint/47553

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