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https://hdl.handle.net/2440/45732
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Type: | Journal article |
Title: | Searching for a stochastic background of gravitational waves with the laser interferometer gravitational-wave observatory |
Author: | Abbott, B. Abbott, R. Adhikari, R. Agresti, J. Ajith, P. Allen, B. Amin, R. Anderson, S. Anderson, W. Araya, M. Armandula, H. Ashley, M. Aston, S. Aulbert, C. Babak, S. Ballmer, S. Barish, B. Barker, C. Barker, D. Barr, B. et al. |
Citation: | The Astrophysical Journal: an international review of astronomy and astronomical physics, 2007; 659(2):918-930 |
Publisher: | Univ Chicago Press |
Issue Date: | 2007 |
ISSN: | 0004-637X 1538-4357 |
Statement of Responsibility: | Abbott, B... Brooks, A... Hosken, D... Mudge, D... Munch, J... Veitch, J... et al. (LIGO Scientific Collaboration) |
Abstract: | The Laser Interferometer Gravitational-Wave Observatory (LIGO) has performed the fourth science run, S4, with significantly improved interferometer sensitivities with respect to previous runs. Using data acquired during this science run, we place a limit on the amplitude of a stochastic background of gravitational waves. For a frequency independent spectrum, the new Bayesian 90% upper limit is ΩGW × [H0/(12 km s-1 Mpc-1)]2 < 6.5 × 10-5. This is currently the most sensitive result in the frequency range 51-150 Hz, with a factor of 13 improvement over the previous LIGO result. We discuss the complementarity of the new result with other constraints on a stochastic background of gravitational waves, and we investigate implications of the new result for different models of this background. © 2007. The American Astronumical Society. All rights reserved. |
DOI: | 10.1086/511329 |
Published version: | http://www.journals.uchicago.edu/doi/abs/10.1086/511329 |
Appears in Collections: | Aurora harvest Chemistry and Physics publications Environment Institute publications |
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