Analysis for burst gravitational waves with TAMA300 data

Details Analysis for burst gravitational waves with TAMA300 data Analysis for burst gravitational waves with TAMA300 data

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21s.735a&link_type=abstract

Classical and Quantum Gravity, Volume 21, Issue 5, pp. S735-S740 (2004).

Physics

4

Scientific paper

We present analysis results of 1000 h of data of TAMA300; the target was short bursts of gravitational waves. In this analysis, we used an excess power filter for signal detection, and time-scale selection of event candidates for non-Gaussian noise rejection. As a result, no evidence of detection was found. We obtained a false-alarm rate of 4 events/h for h ~ 3 × 10-17 gravitational waves. A time-dependence analysis of the event candidates shows that the false alarms were mainly caused by non-Gaussian noises that had originated in seismic disturbances during the daytime. These results show that further improvements in the detector and analysis methods are required for signal detection.

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