Physics
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cqgra..26t4003b&link_type=abstract
Classical and Quantum Gravity, Volume 26, Issue 20, pp. 204003 (2009).
Physics
6
Scientific paper
The use of vetoes generated from auxiliary channels suppresses most of the high amplitude noise triggers that impair gravitational wave (GW) burst and binary inspiral searches. During Virgo's first scientific run (VSR1), many of the remaining loud burst and inspiral Virgo triggers were observed with nearly equal significance in both the in-phase (ACp) and quadrature (ACq) interferometer output channels, while we expect the ACq channel to be insensitive to a GW signal. We describe a veto based on the ratio of the amplitude of the ACp and ACq signals. From studying hardware signal injections, we demonstrate that the ratio of the amplitude of coincident ACp and ACq triggers can be safely used to define a veto; we show its efficiency for the burst and binary inspiral analyses of the VRS1 data.
Ballinger T.
LIGO Scientific Collaboration
Virgo Collaboration
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