LIGO Document G1900248-v2

Evaluating Significance of IMBH Triggers

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We ran parameter estimation runs on the top 300 background triggers along with 300 software injections ranging from 100-400 total masses. We calculated the Bayes-Coherence Ratio for each run, and by tuning the weights alpha and beta, we were able to separate the background and signal distributions, with 96% of background triggers below the LogBCR threshold of 0.
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