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공공누리This item is licensed Korea Open Government License

Title
All-sky search for gravitational-wave bursts in the second joint LIGO-Virgo run
Author(s)
J.Abadieetal강궁원
Publication Year
2012-06-20
Abstract
Wepresentresultsfromasearchforgravitational-waveburstsinthedatacollectedbytheLIGOandVirgodetectorsbetweenJuly7,2009andOctober20,2010:dataareanalyzedwhenatleasttwoofthethreeLIGO-Virgodetectorsareincoincidentoperation,withatotalobservationtimeof207days.Theanalysissearchesfortransientsofdurationlessthanabout1soverthefrequencyband64000Hz,withoutotherassumptionsonthesignalwaveform,polarization,directionoroccurrencetime.Allidentifiedeventsareconsistentwiththeexpectedaccidentalbackground.Wesetfrequentistupper
limitsontherateofgravitational-waveburstsbycombiningthissearchwiththepreviousLIGO-VirgosearchonthedatacollectedbetweenNovember2005andOctober2007.Theupperlimitontherateofstronggravitational-waveburstsattheEarthis1.3eventsperyearat90%confidence.WealsopresentupperlimitsonsourceratedensityperyearandMpc3forsamplepopulationsofstandardcandlesources.Asinthepreviousjointrun,typicalsensitivitiesofthesearchintermsofthe
root-sum-squaredstrainamplitudeforthesewaveformslieintherange5x10(-22)Hz(-1/2)to1x10(-20)Hz(-1/2).Thecombinationofthetwojointrunsentailsthemostsensitiveall-skysearch
forgenericgravitational-waveburstsandsynthesizestheresultsachievedbytheinitialgenerationof
interferometricdetectors.
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/10580/14055
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