Search for the lepton-flavour violating decay
$\mu^+ \to e^+ e^+ e^-$
The Mu3e experiment is a new search for the lepton-flavour violating decay of a positive muon into two positrons and one electron. See here for a an overview of the experiment.
Current news
Installation of Vertex Detector
Mu3e has installed the vertex detector for the 2026 beamtime, marking an important milestone in the detector assembly.
Poster Prize for Thomas Schwartze at the CFLV Conference
Thomas Schwartze has won the experimental poster price at the Charged Lepton Flavour Violation conference 2026 for his poster on the vertex fit for Mu3e using the generalized triplet track fit.
IEEE CANPS Award for Stefan Ritt
At the IEEE Real Time Conference, Stefan Ritt was presented with the prestigious CANPS-Award for his work on the MIDAS software which is powering the readout of many experiments, including Mu3e.
Collaboration Server
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