Journal of Cosmology and Astroparticle Physics
Journal of Cosmology and Astroparticle Physics
5 years ago

A blind search for a common signal in gravitational wave detectors

We propose a blind, template-free method for the extraction of a common signal between the Hanford and Livingston detectors and apply it especially to the GW150914 event. We construct a log-likelihood method that maximizes the cross-correlation between each detector and the common signal and minimizes the cross-correlation between the residuals. The reliability of this method is tested using simulations with an injected common signal. Finally, our method is used to assess the quality of theoretical gravitational wave templates for GW150914.

Publisher URL: http://iopscience.iop.org/1475-7516/2018/02/013

DOI: 10.1088/1475-7516/2018/02/013

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