Bayesian modelling of scattered light in the LIGO interferometers
arXiv:2211.15867 · doi:10.1063/5.0136896
Abstract
Excess noise from scattered light poses a persistent challenge in the analysis of data from gravitational wave detectors such as LIGO. We integrate a physically motivated model for the behavior of these "glitches" into a standard Bayesian analysis pipeline used in gravitational wave science. This allows for the inference of the free parameters in this model, and subtraction of these models to produce glitch-free versions of the data. We show that this inference is an effective discriminator of the presence of the features of these glitches, even when those features may not be discernible in standard visualizations of the data.
arXiv commentThis article has been submitted to Applied Physics Letters
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