Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 58: Cosmic Rays III

T 58.1: Vortrag

Mittwoch, 2. April 2025, 16:15–16:30, VG 3.102

CORSIKA 8: A modern and universal framework for particle cascade simulations — •Marvin Gottowik for the CORSIKA8 collaboration — Karlsruher Institut für Technologie, Institut für Astroteilchenphysik, Karlsruhe, Germany

CORSIKA 8 represents a major advancement in the simulation of particle showers, building on the well-established foundation of CORSIK 7. It has been entirely rewritten as a modular and modern C++ framework, addressing the limitations of its predecessor to provide a flexible platform designed to satisfy current and novel use cases. This includes applications beyond traditional air-shower scenarios, such as cross-media particle cascades and enhanced radio emission calculations. For the first time, both the endpoint formalism and ZHS algorithm can be applied to the same simulation, demonstrating convergence to within 2 % on the radiation energy for high-precision simulations. A first official "physics-complete" version has been released, supporting hadronic interactions with current-generation models and the electromagnetic cascade with PROPOSAL 7.6.2. In this presentation, we will discuss the design principles, current capabilities, and validation efforts of CORSIKA 8, highlighting its potential applications for future experiments.

Keywords: CORSIKA 8; air-shower simulation; Particle Cascades; Hadronic Interactions; Radio Emission