Abstract
Abstract Using the Earth’s atmosphere as a calorimeter, the air fluorescence light observation technique is commonly used in Ultra-High Energy Cosmic Ray (UHECR) experiments. The aim is to reconstruct the shower cascade curve and to estimate the primary particle energy and its arrival direction. With the help of the CORSIKA air shower simulation program, the development of extensive air showers (EAS), initiated by primary particles entering the Earth’s atmosphere with energies up to 100 EeV, is performed with different combinations of high and low hadronic interaction models. The sensitivity of longitudinal distribution of particles and energy deposited into the air are studied for different simulation parameters. For a space fluorescence telescope aboard the International Space Station (ISS), the number of fluorescence photons and the profile of their arrival times to the detector pupil are calculated for typical extreme energy events.
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