Coincidence analysis in ANTARES: Potassium-40 and muons
D. Zaborov (for the ANTARES Collaboration)
TL;DR
This paper introduces a novel calibration method for the ANTARES neutrino detector using natural Potassium-40 decay coincidences and discusses a related approach for atmospheric muon flux analysis, enhancing detector calibration and background understanding.
Contribution
It presents new coincidence-based calibration and muon flux analysis techniques leveraging natural sea water radioactivity in ANTARES.
Findings
Successful calibration using Potassium-40 decay coincidences
Development of a new muon flux analysis method
Enhanced understanding of background signals in ANTARES
Abstract
A new calibration technique using natural background light of sea water has been recently developed for the ANTARES experiment. The method relies on correlated coincidences produced in triplets of optical modules by Cherenkov light of beta-particles originated from Potassium-40 decays. A simple but powerful approach to atmospheric muon flux studies is currently being developed based on similar ideas of coincidence analysis. This article presents the two methods in certain detail and explains their role in the ANTARES experiment.
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