In bump-hunt searches with unknown mass, greedy selection of the most significant excess biases the measured rate upward by roughly 10% at 3 sigma and makes mass errors too small by roughly 20%.
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Biased rate estimates in bump-hunt searches
In bump-hunt searches with unknown mass, greedy selection of the most significant excess biases the measured rate upward by roughly 10% at 3 sigma and makes mass errors too small by roughly 20%.