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Heidelberg 2022 – scientific programme

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T: Fachverband Teilchenphysik

T 64: Search for New Particles 5

T 64.8: Talk

Wednesday, March 23, 2022, 18:00–18:15, T-H23

Results from First Simulation Studies for a Dark Photon Search Experiment at the ELSA Electron AcceleratorPhilip Bechtle, Klaus Desch, Oliver Freyermuth, Matthias Hamer, •Jan-Eric Heinrichs, and Martin Schürmann — Rheinische Friedrich-Wilhelms-Universität Bonn

The true nature of Dark Matter (DM) has long been of interest for scientists worldwide. Previous searches have so far been unsuccessful in finding proposed DM particles. A promising and not well explored parameter space of light DM particles up to 1 GeV remains to be subjected to intense experimental testing. Mainly two approaches are investigated by the community, namely beam dump and fixed targets experiments.

This talk highlights the future prospects of a fixed target experiment aimed at finding evidence for a dark sector, which couples to the standard model through a dark photon. The underlying theory and the resulting experimental challenges and strategy will be explained. The possibility of building a corresponding experiment at the ELSA electron accelerator in Bonn is highlighted. This talk covers first steps towards a Geant 4 simulation. Special emphasis will be put on some first simulation results concerning the layout and technology for an electromagnetic calorimeter based on requirements on radiation hardness and response times.

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