Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 35: Searches/BSM II

T 35.7: Vortrag

Dienstag, 17. März 2026, 17:45–18:00, KH 02.018

Design Studies and Detector Simulation for the proposed Dark Photon Search Experiment Lohengrin — •Cedric Breuning for the Lohengrin collaboration — Physikalisches Institut, University of Bonn, Bonn, Germany

The proposed Lohengrin experiment will search for light dark matter at the Electron Stretcher Accelerator (ELSA) in Bonn. It employs the fixed-target missing momentum based technique for searching for dark-sector particles. A beam of electrons is extracted from ELSA and is shot onto a thin target to produce mainly Standard Model bremsstrahlung and – in rare occasions – possibly new particles, like the dark photon, coupling feebly to the electron. In the current phase, detector layouts and designs are studied and optimized to reach the highest sensitivity. This requires an accurate simulation of the interactions in the target and the detector response. In this talk, we present one of the ongoing design studies for the target and electromagnetic calorimeter of the experiment, including a full detector simulation in the DD4hep framework.

Keywords: Dark Matter; Dark Photon; DD4hep; Lohengrin; ELSA