The LHCf experiment obtained the data in the operation with π π collisions at βπ = 13.6 TeV in
2022. The statistics is 10 times larger than that of the previous operation in 2015. This large
statistics data allow us to measure the production of strange mesons like π and πΎ0, and it will
improve hadronic interaction models commonly used for simulations of air showers produced by
ultra-high energy cosmic rays. The energy scale is one of the most important parameters for
analyses of differential production cross-section measurements with the LHCf detectors. This
paper presents the stability of the energy scale of the Arm1 detector during the operation in 2022
by using the reconstructed invariant mass of the π0 meson. As a result, we confirmed that the
stability is about 1%.
Volume 444 -
38th International Cosmic Ray Conference (ICRC2023) -
Cosmic-Ray Physics (Indirect, CRI)
Performances of the LHCf Arm1 detector during βπ=13.6 TeV π- π operation in 2022
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Pre-published on:
August 17, 2023
Published on:
September 27, 2024
Abstract
DOI: https://doi.org/10.22323/1.444.0483
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.