Methods for reducing false alarms in searches for compact binary coalescences in LIGO data

Creators: Slutsky, J.; Blackburn, L.; Brown, D. A.; Cadonati, L.; Cain, J.; Cavaglià, M.; Chatterji, S.; Christensen, N.; Coughlin, M.; Desai, S.; González, G.; Isogai, T.; Katsavounidis, E.; Rankins, B.; Reed, T.; Riles, K.; Shawhan, P.; Smith, J. R.; Zotov, N.; Zweizig, J.

Abstract

The LIGO detectors are sensitive to a variety of noise transients of non-astrophysical origin. Instrumental glitches and environmental disturbances increase the false alarm rate in the searches for gravitational waves. Using times already identified when the interferometers produced data of questionable quality, or when the channels that monitor the interferometer indicated non-stationarity, we have developed techniques to safely and effectively veto false triggers from the compact binary coalescences search pipeline.

Additional Information

© 2010 IOP Publishing Ltd. Received 9 April 2010, in final form 10 June 2010. Published 8 July 2010. This work is partially supported by the National Science Foundation grants PHY-0457622 (NZ, TR), PHY-0553422 (NC, TI, MC, JC), PHY-0555406 (KR), PHY-0600259 (JRS), PHY-0605496 (GG, JS), PHY-0653550 (LC), PHY-0653462 (SD), PHY-0757937 (MC, BR), PHY-0757957 (PS), PHY-0847611(DAB), PHY-0854790(NC, TI, MC, JC) and PHY-0905184 (GG, JS).

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