Volume 484 - 7th International Symposium on Ultra High Energy Cosmic Rays (UHECR2024) - session Posters
Improved Calibration Methods and Reconstruction of the Underground Muon Detector of the Pierre Auger Observatory
J. de Jesus*  on behalf of the Pierre Auger Collaboration
*: corresponding author
Full text: pdf
Pre-published on: March 21, 2025
Published on: —
Abstract
As part of the upgrade of the Pierre Auger Observatory, known as AugerPrime, the Underground
Muon Detector is being deployed in the low-energy extension of the Surface Detector. It comprises
an array of 30 m$^2$ plastic scintillator muon counters, buried 2.3 meters underground near the water-
Cherenkov detectors, allowing for direct measurement of the muonic component of air showers in
the energy range of $10^{16.5}$ − $10^{19}$ eV. To achieve an extended dynamic range, the detector operates
in two modes: the binary mode, which is optimized for low muon densities, and the ADC mode,
designed for high muon densities. In this contribution, we present the latest improvements to the
calibration procedure of the ADC mode and to the data reconstruction of the binary mode. We
assess their performance with simulations.
DOI: https://doi.org/10.22323/1.484.0077
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