Analysis investigates choice of coincidence window for detecting gravitational waves, suggesting improved detection accuracy.
We report here the results of a study on the search for triple coincidences among the resonant gravitational wave detectors AURIGA, EXPLORER and NAUTILUS in the year 2005. The main problem we have studied has been how to choose the coincidence window for the best search of triple coincidences. If the window is too small we may loose real coincidences, if the window is too large, we do get all real coincidences, but they are imbedded in a large background of accidental coincidences. We find that the best choice is a window not greater than two or three standard deviations of the time uncertainty of each event.
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G. et al. (2007) studied this question.
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