Karlsruhe 2024 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 83: Cosmic rays 6
T 83.6: Vortrag
Donnerstag, 7. März 2024, 17:15–17:30, Geb. 20.30: 2.059
Studying effects of Lorentz violation in the photon sector using extensive air shower simulations — •Nico Spornhauer, Fabian Duenkel, Marcus Niechciol, and Markus Risse — Center for Particle Physics Siegen, Experimentelle Astroteilchenphysik, Universität Siegen
Ultra-high-energy cosmic rays induce extensive air showers involving secondary particles, which can exceed the energies reached by today’s accelerators. The effects of isotropic, non-birefringent Lorentz violation in the photon sector can be studied at these high energies. Using the 1-dimensional air shower simulation program CONEX, bounds on the studied Lorentz violation were set based on the significant reduction of the average atmospheric depth of the shower maximum ⟨ Xmax⟩ and its shower-to-shower fluctuations σ(Xmax). We implemented modifications achieving Lorentz violation into the 3-dimensional air shower simulation program CORSIKA. The aim is an improved search for Lorentz violation by including observables unavailable to a 1-dimensional simulation such as those connected to the lateral particle distribution. We present preliminary results for the 3-dimensional shower simulations.
This work is supported by the Deutsche Forschungsgemeinschaft (DFG).
Keywords: Lorentz Violation