4.4 Article Proceedings Paper

Assigning confidence to inspiral gravitational wave candidates with Bayesian model selection

期刊

CLASSICAL AND QUANTUM GRAVITY
卷 25, 期 18, 页码 -

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IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/25/18/184010

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  1. STFC [PP/E001203/1] Funding Source: UKRI
  2. Science and Technology Facilities Council [PP/E001203/1] Funding Source: researchfish

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Bayesian model selection provides a powerful and mathematically transparent framework to tackle hypothesis testing, such as detection tests of gravitational waves emitted during the coalescence of binary systems using groundbased laser interferometers. Although its implementation is computationally intensive, we have developed an efficient probabilistic algorithm based on a technique known as nested sampling that makes Bayesian model selection applicable to follow-up studies of candidate signals produced by on-going searches of inspiralling compact binaries. We discuss the performance of this approach, in terms of 'false alarm rate' and 'detection probability' of restricted second post-Newtonian inspiral waveforms from non-spinning compact objects in binary systems. The results confirm that this approach is a viable tool for detection tests in current searches for gravitational wave signals.

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