Study of longitudinal development of air showers in the knee energy range

Zhang, Feng; Liu, Hu; Zhu, F. R.; Oloketuyi, Jacob

doi:10.1016/j.astropartphys.2023.102877

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2024

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“…In extensive air showers, various secondary particles and Cherenkov photons are produced, including electrons, gamma rays, muons, neutrons, and more [26,27]. However, in this study, our focus is solely on Cherenkov photons, specifically in the wavelength band of 200-1000 nm.…”

Section: Simulationmentioning

confidence: 99%

Study of Angular Resolution Using Imaging Atmospheric Cherenkov Technique

Liu,

Wu,

Liu

et al. 2024

Universe

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Angular resolution is crucial for the detailed study of gamma-ray sources and current Cherenkov telescopes (e.g., HESS, MAGIC, and VERITAS) that operate below tens of TeV. Several gamma-ray sources with a photon energy larger than 100 TeV have been revealed by the LHAASO in recent years; the angular resolution of the LHAASO is around 0.3∘. A gamma-ray detector with an angular resolution of less than 0.1∘ operating beyond 100 TeV is needed to study the detailed morphology of ultra-high-energy gamma-ray sources further. The cost-effectiveness is crucial for such large-area detectors. In this paper, the impact of telescope aperture, field of view, pixel size, optical point spread function, and signal integration time window on angular resolution is studied. These results can provide essential elements for the design of telescope arrays.

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Section: Simulationmentioning

confidence: 99%