Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/99787
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Type: Journal article
Title: GW150914: Implications for the stochastic gravitational-wave background from binary black holes
Author: Abbott, B.
LIGO Scientific Collaboration
Virgo Collaboration
Abbott, R.
Abbott, T.
Abernathy, M.
Acernese, F.
Ackley, K.
Adams, C.
Adams, T.
Addesso, P.
Adhikari, R.
Adya, V.
Affeldt, C.
Agathos, M.
Agatsuma, K.
Aggarwal, N.
Aguiar, O.
Aiello, L.
Ain, A.
et al.
Citation: Physical Review Letters, 2016; 116(13):131102-1-131102-12
Publisher: American Physical Society
Issue Date: 2016
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Abstract: The LIGO detection of the gravitational wave transient GW150914, from the inspiral and merger of two black holes with masses ≳30M_{⊙}, suggests a population of binary black holes with relatively high mass. This observation implies that the stochastic gravitational-wave background from binary black holes, created from the incoherent superposition of all the merging binaries in the Universe, could be higher than previously expected. Using the properties of GW150914, we estimate the energy density of such a background from binary black holes. In the most sensitive part of the Advanced LIGO and Advanced Virgo band for stochastic backgrounds (near 25 Hz), we predict Ω_{GW}(f=25  Hz)=1.1_{-0.9}^{+2.7}×10^{-9} with 90% confidence. This prediction is robustly demonstrated for a variety of formation scenarios with different parameters. The differences between models are small compared to the statistical uncertainty arising from the currently poorly constrained local coalescence rate. We conclude that this background is potentially measurable by the Advanced LIGO and Advanced Virgo detectors operating at their projected final sensitivity.
Keywords: LIGO Scientific Collaboration and Virgo Collaboration
Description: S. E. Hollitt ... D. J. Hosken ... E. J. King ... J. Munch ... D. J. Ottaway ... P. J. Veitch are members of the LIGO Scientific Collaboration and Virgo Collaboration
Rights: © 2016 American Physical Society
RMID: 0030046797
DOI: 10.1103/PhysRevLett.116.131102
Appears in Collections:IPAS publications

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