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Analytical estimation of the signal to noise ratio efficiency in axion dark matter searches using a Savitzky-Golay filter

A bstract The signal to noise ratio efficiency ϵ SNR in axion dark matter searches has been estimated using large-statistic simulation data reflecting the background information and the expected axion signal power obtained from a real experiment. This usually requires a lot of computing time even wi...

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Published in:The journal of high energy physics 2023-11, Vol.2023 (11), p.115-15, Article 115
Main Authors: Yi, A. K., Ahn, S., Ko, B. R., Semertzidis, Y. K.
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Ko, B. R.
Semertzidis, Y. K.
description A bstract The signal to noise ratio efficiency ϵ SNR in axion dark matter searches has been estimated using large-statistic simulation data reflecting the background information and the expected axion signal power obtained from a real experiment. This usually requires a lot of computing time even with the assistance of powerful computing resources. Employing a Savitzky-Golay filter for background subtraction, in this work, we estimated a fully analytical ϵ SNR without relying on large-statistic simulation data, but only with an arbitrary axion mass and the relevant signal shape information. Hence, our work can provide ϵ SNR using minimal computing time and resources prior to the acquisition of experimental data, without the detailed information that has to be obtained from real experiments. Axion haloscope searches have been observing the coincidence that the frequency independent scale factor ξ is approximately consistent with the ϵ SNR . This was confirmed analytically in this work, when the window length of the Savitzky-Golay filter is reasonably wide enough, i.e., at least 5 times the signal window.
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subjects Axions and ALPs
Classical and Quantum Gravitation
Computational efficiency
Computing time
Dark matter
Elementary Particles
High energy physics
Hypothetical particles
Mathematical analysis
Models for Dark Matter
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Searching
Signal to noise ratio
String Theory
title Analytical estimation of the signal to noise ratio efficiency in axion dark matter searches using a Savitzky-Golay filter
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