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research
Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
Authors
J. Abadie
Christoph Affeldt
+75 more
Bruce Allen
Peter Aufmuth
C. Aulbert
G. Ballardin
J. Bauchrowitz
A. Bertolini
O. Bock
C. Bogan
Michael Born
J. Breyer
M. Brinkmann
M. Britzger
K. Dahl
Karsten Danzmann
Irene Di Palma
Tobias Eberle
et al.
H. Fehrmann
M. Frede
Daniel Friedrich
E. Goetz
S. Goßler
C. Graef
Hartmut Grote
M. Hewitson
Henning Kaufer
F. Kawazoe
Alexander Khalaidovski
H. Kim
O. Kranz
V. Kringel
P. Kwee
G. Kühn
N. Lastzka
J.R. Leong
LIGO Scientific Collaboration
Harald Lück
Bernd Machenschalk
G. Mazzolo
Moritz Mehmet
Tobias Meier
K. Mossavi
H. Müller-Ebhard
M. Pickenpack
H.J. Pletsch
M. Prijatelj
R Prix
O. Puncken
J. Pöld
C. Röver
A. Rüdiger
F. Salemi
R. Schilling
Roman Schnabel
E. Schreiber
B. Schulz
M. Shaltev
J. Steinlechner
S. Steinlechner
S.P. Tarabrin
J.R. Taylor
A. Thüring
H. Vahlbruch
C. Veltkamp
Virgo Collaboration
A. Wanner
M. Weinert
P. Wessels
Tobias Westphal
K. Wette
Benno Willke
L. Winkelmann
W. Winkler
H. Wittel
K. Yamamoto
Publication date
1 January 2012
Publisher
College Park, MD : American Physical Society
Doi
Cite
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. © 2012 The American Physical Societ
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Institutionelles Repositorium der Leibniz Universität Hannover
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Last time updated on 21/11/2017