Bias-Free Estimation of Signals on Top of Unknown Backgrounds
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We present a method for obtaining unbiased signal estimates in the presence of a significant background, eliminating the need for a parametric model for the background itself. Our approach is based on a minimal set of conditions for observation and background estimators, which are typically satisfied in practical scenarios. To showcase the effectiveness of our method, we apply it to simulated data from the planned dielectric axion haloscope MADMAX.
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