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Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 16: Cosmic Rays V

T 16.5: Vortrag

Montag, 15. März 2021, 17:00–17:15, Tp

Status of air shower simulation for GRAND — •Chao Zhang, Tim Huege, Tanguy Pierog, Markus Roth, Andreas Haungs, Frank Schroeder, and Ralph Engel for the GRAND collaboration — Institut fuer Astroteilchenphysik, Karlsruher Institut fuer Technologie-Campus Nord, Post-fach 3640, 76021 Karlsruhe, Germany

GRAND is a proposed project to measure ultra-high-energy air showers with a 200,000 km 2 array of radio antennas distributed in mountainous areas. It will be able to detect cosmic ray, gamma-ray, and neutrino primaries in the energy range beyond 1017 eV with unprecedented sensitivity and thereby opening a window to study the origin of the ultra-high-energy cosmic rays. Further more, it will play an important role in the multi-messenger era.

In this talk, we will present simulation work aimed at GRAND-Proto300, a prototype of GRAND, covering an area of 300 km 2, for which construction will start in 2021. This presentation will include a study of the atmospheric models applicable to different candidate sites, the methods we have implemented to prepare an air shower library, upgrades of CORSIKA for the simulation of upward going neutrinos for GRAND, and the investigation of a signal model derived from CoREAS simulations.

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