Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
Differences between High Energy Hadronic Interaction Models for Air Shower Measurements in the 100 GeV-100 TeV Range
H. Schoorlemmer*, Á. Pastor and R.D. Parsons
Full text: pdf
Pre-published on: July 22, 2019
Published on: July 02, 2021
Abstract
The predictions of hadronic interaction models for cosmic-ray induced air showers contain inherent uncertainties due limits of the accelerator data and theoretical understanding in the required energy and rapidity regime. Model uncertainties are typically evaluated in the range appropriate for cosmic-ray air shower arrays (10$^{15}$-10$^{20}$ eV), however the performance of the models for gamma-ray observatories is becoming more and more important.
We assess the model differences on the gross behaviour of the predictions in the energy (0.1-100 TeV) and altitude ranges most appropriate for detection by current ground-based gamma-ray observatories. We go on to investigate the particle production at the first interaction point to extrapolate how the differences in micro-physics of the models may compound into differences in the gross air shower behaviour.
DOI: https://doi.org/10.22323/1.358.0417
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