LIGO Document P1000128-v20

Upper limits on a stochastic gravitational wave background using LIGO and Virgo interferometers at 600-1000 Hz

Document #:
LIGO-P1000128-v20
Document type:
P - Publications
Submitted by:
Emma Robinson Send email
Updated by:
Cleveland Mak Send email
Document Created:
14 Oct 2010, 07:45
Contents Revised:
08 Jan 2012, 02:37
Metadata Revised:
11 Jan 2012, 12:06
Other Versions:
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
$\Omega_{\rm GW}(f) = \Omega_3 \left( f/900 \mathrm{Hz}\right)^3$, of
$\Omega_3 0.33$,
assuming a value of the Hubble parameter of
$h_{100}=0.72$. These new limits are a factor of
seven better than the previous best in this frequency band.
Topics:
Authors:
Author Groups:
Notes and Changes:
Corrections to author list (M. Frei and K. Yamamoto)
Publication Information:
http://arxiv.org/abs/1112.5004
Paper synopsis for teachers/students/public: http://www.ligo.org/science/Publication-S5VSR1StochIso/

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