PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Cosmic-Ray Physics (Indirect, CRI)
Performances of the LHCf detectors during √s = 13.6 TeV p-p operation in 2022
Y.Β Kitagami
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Pre-published on: August 17, 2023
Published on: β€”
The LHCf experiment obtained the data in the operation with 𝑝 𝑝 collisions at βˆšπ‘  = 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œ‚ and 𝐾0, 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 πœ‹0 meson. As a result, we confirmed that the
stability is about 1%.
DOI: https://doi.org/10.22323/1.444.0483
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