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Volume 295 - The 19th International Workshop on Neutrinos from Accelerators NUFACT2017 (NuFact2017) - Working group 4: Muon cLFV
Searching for Lepton-Flavour Violation with the Mu3e Experiment
A.K. Perrevoort* on behalf of the the Mu3e Collaboration
*corresponding author
Full text: pdf
Pre-published on: 2018 February 25
Published on: 2018 June 18
Abstract
The upcoming Mu3e experiment searches for the lepton flavour violating decay $\mu^+\rightarrow e^+e^-e^+$ with the aim of a final sensitivity of one signal decay in $10^{16}$ observed muon decays, an improvement over the preceding SINDRUM experiment by four orders of magnitude. In the first phase, the experiment will be operated at an existing intense muon beam line at the Paul Scherrer Institute. With muon stopping rates of about $10^{8}\text{s}^{-1}$, a single event sensitivity of $2\times10^{-15}$ can be achieved. For the ultimate sensitivity, a new high intensity muon beam line is required.
In order to suppress background, the tracking detector is designed to measure low momentum electron and positron tracks with excellent precision by making use of very thin silicon pixel sensors. In addition, scintillating fibres and tiles provide precise timing information.
Currently, the collaboration is finalizing the detector design and preparing for construction and commissioning.
DOI: https://doi.org/10.22323/1.295.0105
Open Access
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