Erlangen 2026 – scientific programme
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T: Fachverband Teilchenphysik
T 31: Scintillator Detectors I
T 31.1: Talk
Tuesday, March 17, 2026, 16:15–16:30, KH 01.014
Commissioning of the Mu3e Tile Detector — •Erik Steinkamp for the Mu3e collaboration — Kirchhoff-Institut für Physik, Heidelberg, Germany
The Mu3e experiment has been designed with the objective of detecting the charged lepton flavour violating decay µ → eee
with an ultimate branching ratio of 10−16.
To achieve this sensitivity,
the Mu3e experiment needs precise vertexing and tracking as well as very precise timing.
The Mu3e tile detector is a scintillator-based timing detector with SiPM readout that aims at a timing resolution of less than 100 ps.
The final detector modules are currently being assembled and installed in the Mu3e experiment.
A first commissioning beamtime of the Mu3e detector with three out of a total of 14 tile modules took place in mid-2025.
In preparation for the first physics beamtime in late 2026,
this data is being used to improve the performance of the tile detector through a comprehensive offline calibration procedure,
as well as a robust clustering algorithm to combine individual channel hits into clusters for track matching.
This talk will present the current status of the commissioning of the Mu3e tile detector,
focusing on results from the 2025 beamtime, the qualification of existing modules and further developments.
Keywords: Commissioning; Detectors; Timing; Scintillator; SiPM