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공공누리This item is licensed Korea Open Government License

Title
Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
Author(s)
J.Abadieetal강궁원
Publication Year
2012-06-04
Abstract
Astochasticbackgroundofgravitationalwavesisexpectedtoarisefromasuperpositionofmanyincoherentsourcesofgravitationalwaves,ofeithercosmologicalorastrophysicalorigin.Thisbackgroundisatargetforthecurrentgenerationofground-baseddetectors.InthisarticlewepresentthefirstjointsearchforastochasticbackgroundusingdatafromtheLIGOandVirgointerferometers.Inafrequencybandof600-1000Hz,weobtaineda95%upperlimitontheamplitudeofΩgw(f)=Ω3(f/900Hz)(3),ofΩ3lessthan0.33,assumingavalueoftheHubbleparameterofh100=0.72.Thesenewlimitsareafactorofsevenbetterthanthepreviousbestinthisfrequencyband.
Keyword
Gravitationalwave; LIGO-Virgo; Dataanalysis
Journal Title
Physicalreview.D
Citation Volume
85
ISSN
1550-7998
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14051
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