Methods for Reducing False Alarms in Searches for Compact Binary Coalescences in LIGO Data
J. Slutsky, L. Blackburn, D. A. Brown, L. Cadonati, J. Cain, M., Cavagli\`a, S. Chatterji, N. Christensen, M. Coughlin, S. Desai, G., Gonz\'alez, T. Isogai, E. Katsavounidis, B. Rankins, T. Reed, K. Riles, P., Shawhan, J. R. Smith, N. Zotov, J. Zweizig
TL;DR
This paper presents techniques to effectively veto false triggers caused by noise and disturbances in LIGO data, thereby reducing false alarms in gravitational wave searches for compact binary coalescences.
Contribution
It introduces new methods for identifying and vetoing noise-induced false triggers in LIGO data, improving the reliability of gravitational wave detection.
Findings
Significant reduction in false alarm rate.
Enhanced data quality for CBC searches.
Validated veto techniques on real LIGO data.
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 (CBCs) search pipeline.
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