Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 38: Kosmische Strahlung II

T 38.7: Talk

Tuesday, March 26, 2019, 17:30–17:45, S13

EmCa - Electromagnetic Cascades — •Stephan Meighen-Berger and Matthias Huber — Technische Universität München, München, Deutschland

The Electromagnetic Cascade package (EmCa) is a simulation package for electromagnetic cascades in different materials. It uses one dimensional, discretized, cascade equations to calculate particles fluxes from a few MeV up to PeV scales. EmCa's large range of validity is a result of the inclusion of low and high energy effects, such as ionization- and dieelectric-effects for the former and the Landau*Pomeranchuk*Migdal effect for the latter. Using pre-tabulated interaction rates, average particle fluxes can be calculated in a few seconds. Unlike a Monte-Carlo regime, where the simulations take longer, this allows for systematic studies of the results. Currently EmCa's results agree with experimental and Monte-Carlo data. An upcoming extension will be full 3D simulations, allowing the inclusion of additional effects, such as magnetic and geometry effects. The package is offered as a stand-alone as well as an extension to MCEq, which is a similar package for the calculation of hadronic cascades. This allows the simulation of hadronic and electromagnetic cascades in a single framework. In this talk we will introduce EmCa, the underlying methods therein and future plans to extend the simulation package.