A First Comparison Between LIGO and Virgo Inspiral Search Pipelines

TL;DR

This paper compares the inspiral search pipelines of LIGO and Virgo collaborations using simulated data to evaluate detection capabilities and parameter recovery, marking initial steps towards joint gravitational wave searches.

Contribution

It presents the first comparison of LIGO and Virgo inspiral search pipelines on shared data, assessing detection efficiency and parameter estimation accuracy.

Findings

Pipelines successfully detected injected signals

Parameter recovery showed consistent results between collaborations

Identified differences in pipeline sensitivities

Abstract

This article reports on a project that is the first step the LIGO Scientific Collaboration and the Virgo Collaboration have taken to prepare for the mutual search for inspiral signals. The project involved comparing the analysis pipelines of the two collaborations on data sets prepared by both sides, containing simulated noise and injected events. The ability of the pipelines to detect the injected events was checked, and a first comparison of how the parameters of the events were recovered has been completed.