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Abbott, B.P. [Author]; Abbott, R. [Author]; Abbott, T.D. [Author]; Abernathy, M.R. [Author]; Acernese, F. [Author]; Ackley, K. [Author]; Adams, C. [Author]; Adams, T. [Author]; Addesso, P. [Author]; Adhikari, R.X. [Author]; Adya, V.B. [Author]; Affeldt, C. [Author]; Agathos, M. [Author]; Agatsuma, K. [Author]; Aggarwal, N. [Author]; Aguiar, O.D. [Author]; Aiello, L. [Author]; Ain, A. [Author]; Ajith, P. [Author]; Allen, B. [Author]; Allocca, A. [Author]; Altin, P.A. [Author]; Anderson, S.B. [Author]; Anderson, W.G. [Author]; [...]

GW150914: Implications for the stochastic gravitational-wave background from binary black holes - [published Version]

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  • Media type: Text; E-Article
  • Title: GW150914: Implications for the stochastic gravitational-wave background from binary black holes
  • Contributor: Abbott, B.P. [Author]; Abbott, R. [Author]; Abbott, T.D. [Author]; Abernathy, M.R. [Author]; Acernese, F. [Author]; Ackley, K. [Author]; Adams, C. [Author]; Adams, T. [Author]; Addesso, P. [Author]; Adhikari, R.X. [Author]; Adya, V.B. [Author]; Affeldt, C. [Author]; Agathos, M. [Author]; Agatsuma, K. [Author]; Aggarwal, N. [Author]; Aguiar, O.D. [Author]; Aiello, L. [Author]; Ain, A. [Author]; Ajith, P. [Author]; Allen, B. [Author]; Allocca, A. [Author]; Altin, P.A. [Author]; Anderson, S.B. [Author]; Anderson, W.G. [Author]; [...]
  • Published: College Park, MD : American Physical Society, 2016
  • Published in: Physical Review Letters 116 (2016), Nr. 13 ; Physical Review Letters
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/12014; https://doi.org/10.1103/PhysRevLett.116.131102
  • ISSN: 0031-9007
  • Keywords: Black holes ; Incoherent superposition ; Energy density ; Stochastic systems ; VIRGO detector ; Coalescence rate ; Statistical uncertainty ; Merging ; Gravity waves ; Stars ; Gravitational effects
  • Origination:
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  • Description: 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 ΩGW(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. © 2016 American Physical Society.
  • Access State: Open Access