2005
DOI: 10.1103/physrevd.72.062001
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Upper limits on gravitational wave bursts in LIGO’s second science run

Abstract: We perform a search for gravitational wave bursts using data from the second science run of the LIGO detectors, using a method based on a wavelet time-frequency decomposition. This search is sensitive to bursts of duration much less than a second and with frequency content in the 100 -1100 Hz range. It features significant improvements in the instrument sensitivity and in the analysis pipeline with respect to the burst search previously reported by LIGO. Improvements in the search method allow exploring weaker… Show more

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Cited by 77 publications
(107 citation statements)
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“…Comparisons with previous LIGO [16,17] and LIGO-TAMA [8] searches have already been shown graphically in figure 12. The LIGO-TAMA search targeted millisecond-duration signals with frequency content in the 700-2000 Hz frequency regime (i.e., partially overlapping the present search) and had a detection efficiency of at least 50% (90%) for signals with h rss greater than ∼2 × 10 −19 Hz −1/2 (10 −18 Hz −1/2 ).…”
Section: Discussionmentioning
confidence: 86%
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“…Comparisons with previous LIGO [16,17] and LIGO-TAMA [8] searches have already been shown graphically in figure 12. The LIGO-TAMA search targeted millisecond-duration signals with frequency content in the 700-2000 Hz frequency regime (i.e., partially overlapping the present search) and had a detection efficiency of at least 50% (90%) for signals with h rss greater than ∼2 × 10 −19 Hz −1/2 (10 −18 Hz −1/2 ).…”
Section: Discussionmentioning
confidence: 86%
“…Although we did not measure the sensitivity of the S4 LIGO search with narrow-band signals at 1300 Hz, LIGO's noise at that frequency range varies slowly enough so that we do not expect it to be significantly worse than the sensitivity for 1053 Hz sine-Gaussian signals described in section 7, which stands at about 7 × 10 −21 Hz −1/2 . Comparisons with results from resonant mass detectors were detailed in our previous publications [16,17]. The upper limit of ∼4 × 10 −3 events day −1 at the 95% confidence level on the rate of gravitational wave bursts set by the IGEC consortium of five resonant mass detectors still represents the most stringent rate limit for h rss signal strengths of order 10 −18 Hz −1/2 and above [36].…”
Section: Discussionmentioning
confidence: 91%
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“…Over the past decade, the search for these signals has been independently performed by individual detectors or by homogeneous networks of resonant bars [4] or laser interferometers [5][6][7][8][9]. The first coincident burst analysis between interferometers with different broadband sensitivity and orientation was performed by the TAMA and LIGO Scientific Collaborations [10].…”
Section: Introductionmentioning
confidence: 99%