All-sky search for gravitational-wave bursts in the second joint LIGO-Virgo run

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Abadie, J.; Abbott, B.P.; Abbott, R.; Abbott, T.D.; Abernathy, M. et al.: All-sky search for gravitational-wave bursts in the second joint LIGO-Virgo run. In: Physical Review D - Particles, Fields, Gravitation and Cosmology 85 (2012), Nr. 12, 122007. DOI: https://doi.org/10.1103/PhysRevD.85.122007

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We present results from a search for gravitational-wave bursts in the data collected by the LIGO and Virgo detectors between July 7, 2009 and October 20, 2010: data are analyzed when at least two of the three LIGO-Virgo detectors are in coincident operation, with a total observation time of 207 days. The analysis searches for transients of duration ≲1  s over the frequency band 64–5000 Hz, without other assumptions on the signal waveform, polarization, direction or occurrence time. All identified events are consistent with the expected accidental background. We set frequentist upper limits on the rate of gravitational-wave bursts by combining this search with the previous LIGO-Virgo search on the data collected between November 2005 and October 2007. The upper limit on the rate of strong gravitational-wave bursts at the Earth is 1.3 events per year at 90% confidence. We also present upper limits on source rate density per year and Mpc3 for sample populations of standard-candle sources. As in the previous joint run, typical sensitivities of the search in terms of the root-sum-squared strain amplitude for these waveforms lie in the range ∼5×10−22  Hz−1/2 to ∼1×10−20  Hz−1/2. The combination of the two joint runs entails the most sensitive all-sky search for generic gravitational-wave bursts and synthesizes the results achieved by the initial generation of interferometric detectors. © 2012 The American Physical Society
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: article
Publishing status: publishedVersion
Issue Date: 2012
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 83 65.87%
2 image of flag of United States United States 16 12.70%
3 image of flag of Russian Federation Russian Federation 10 7.94%
4 image of flag of Italy Italy 3 2.38%
5 image of flag of Norway Norway 2 1.59%
6 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 2 1.59%
7 image of flag of Netherlands Netherlands 1 0.79%
8 image of flag of Japan Japan 1 0.79%
9 image of flag of France France 1 0.79%
10 image of flag of Austria Austria 1 0.79%
    other countries 6 4.76%

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