A Direct Comparison of Muon Measurements at the Yakutsk Array and the Pierre Auger Observatory

Here we consider the results of direct measurements of muons in extensive air showers with zenith angles and energy above eV, obtained at the Pierre Auger Observatory and Yakutsk array. In both experiments muons were registered with underground scintillation detectors with GeV energy threshold. Meas...

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Bibliographic Details
Published in:Physics of atomic nuclei 2024-02, Vol.87 (1), p.25-37
Main Authors: Glushkov, A. V., Saburov, A. V., Ksenofontov, L. T., Lebedev, K. G.
Format: Article
Language:English
Subjects:
Arrays
Augers
Cosmic ray showers
ELEMENTARY PARTICLES AND FIELDS
Experiment
Interaction models
Muons
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Summary:Here we consider the results of direct measurements of muons in extensive air showers with zenith angles and energy above eV, obtained at the Pierre Auger Observatory and Yakutsk array. In both experiments muons were registered with underground scintillation detectors with GeV energy threshold. Measured density values were compared to theoretical predictions calculated within the framework of the qgsj et- ii .04 hadron interaction model. They differ by factor (stat). We demonstrate that this difference is due to overestimation of muon densities by 1.22 times and underestimation of primary energy by 1.25 times in the Auger experiment.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778824020121