Göttingen 2025 – scientific programme

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T: Fachverband Teilchenphysik

T 41: Search for Dark Matter II

T 41.5: Talk

Tuesday, April 1, 2025, 17:15–17:30, VG 4.102

Simulation and design optimization of the DARWIN observatory — •Antoine Chauvin, Maike Doerenkamp, and Stephanie Hansmann-Menzemer — Im Neuenheimer Feld 226, 69120 Heidelberg

The DARWIN observatory is a proposed future direct dark matter detection experiment. Its main science target is the detection of WIMP-like particles through WIMP-nucleus interactions, in a multi-ton liquid xenon TPC. Designing the experiment and optimizing its layout requires good modeling of the detection processes and the signal and background sources. In this talk, we report on the simulation of the detector responses to signal and background events in the DARWIN TPC. We present the sensitivity of the DARWIN baseline design to WIMP-nucleus scattering infered from these simulations and the impact of detector design choices on the DARWIN sensitivity.

Keywords: Dark matter; Direct detection; Xenon; Simulation