12-23 October 2020
GMT timezone

Beam Tests of the Data Acquisition of the Mu3e Experiment

14 Oct 2020, 16:09
Mini Oral and Poster Data Acquisition System Architectures Poster session C-01


KÖPPEL, Marius


The Mu3e experiment at the Paul Scherrer Institute searches for the lepton flavour violating decay $\mu^+ \rightarrow e^+e^+e^-$. The experiment aims for an ultimate sensitivity of one in $10^{16}$ decays. The first phase of the experiment, currently under construction, will reach a branching ratio sensitivity of $2 \cdot 10^{-15}$ by observing $10^{8}$ muon decays per second over a year of data taking. The highly granular detector based on thin high-voltage monolithic active pixel sensors (HV-MAPS) and scintillating timing detectors will produce about 100 GB/s of data at these rates. The FPGA-based Mu3e Data Acquisition System will read out this data from the detector and identify interesting events using a farm of graphics processing units. The poster presents the ongoing integration of the sub detectors into the Field Programmable Gate Array based readout system which is used to sort and transport the data to the filter farm. Integration test beam campaigns are conducted to verify and integrate the different detector systems.

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