Abadie, J., Dent, Thomas Edward, Edwards, Mark, Fairhurst, Stephen  ORCID: https://orcid.org/0000-0001-8480-1961, Harry, Ian William, MacDonald, Erin, MacLeod, Duncan M. ORCID: https://orcid.org/0000-0002-1395-8694, McKechan, David, Messenger, Christopher, Nuttall, Laura ORCID: https://orcid.org/0000-0002-8599-8791, Predoi, Valeriu ORCID: https://orcid.org/0000-0002-9729-6578, Sathyaprakash, Bangalore ORCID: https://orcid.org/0000-0003-3845-7586, Schutz, Bernard Frederick ORCID: https://orcid.org/0000-0001-9487-6983, Sutton, Patrick J. ORCID: https://orcid.org/0000-0003-1614-3922, 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
|
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: | 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: | 10 Mar 2024 17:34 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/47553 |
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