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Type: Journal article
Title: Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
Author: Hosken, D.
Munch, J.
Ottaway, D.
Veitch, P.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2012; 85(12):1-14
Publisher: American Physical Soc
Issue Date: 2012
ISSN: 1550-7998
Statement of
J. Abadie... D. J. Hosken... J. Munch... D. J. Ottaway... P. J. Veitch... et al., LIGO Scientific Collaboration... Virgo Collaboration
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.
Rights: © 2012 American Physical Society
RMID: 0020119640
DOI: 10.1103/PhysRevD.85.122001
Appears in Collections:Physics publications
IPAS publications
Environment Institute publications

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