Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 69: Search for Dark Matter 3

T 69.4: Vortrag

Mittwoch, 6. März 2024, 16:45–17:00, Geb. 30.35: HSI

Realistic event simulations in XENONnT — •Henning Schulze Eißing for the XENON collaboration — Institut für Kernphysik, Münster, Germany

The XENON Dark Matter Project uses a dual phase time projection chamber filled with liquid xenon to search for dark matter in the form of weakly interacting massive particles (WIMPs). Detailed simulations are essential for our understanding of the detector and in the various physics searches.

This talk presents the key components of the XENONnT simulation chain. Based on the geometry and particle tracking simulations in Geant4, xenon microphysics effects are simulated. The detector response is modeled, including the simulation of a proper PMT and electronics response resulting in realistic waveforms which are processed with the same analysis software as for real data.

The new XENONnT simulation software fuse will be presented. fuse is build on top of the strax(en) framework, which is the core of the XENONnT analysis software. It has a modular structure where simulation steps are placed into standalone plugins. It provides a better simulation speed, easy access to intermediate simulation steps and a higher level of configurability.

This work is supported by BMBF under contract 05A23PM1 und by DFG within the Research Training Group GRK-2149.

Keywords: Dark Matter; XENON; Simulation