Bonn 2020 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 20: DAQ, trigger and electronics I
T 20.5: Vortrag
Montag, 30. März 2020, 17:35–17:50, L-3.015
Data flow in the Mu3e filter farm — •Marius Köppel for the Mu3e collaboration — Institute for Nuclear Physics, Johannes Gutenberg University Mainz
The Mu3e experiment at the Paul Scherrer Institute searches for the decay µ+ → e+ e+ e−. This decay violates lepton flavour conservation - so an observation would be a clear indication for Physics Beyond the Standard Model. The Mu3e experiment aims for an ultimate sensitivity of one in 1016 µ decays. To this end, more than one billion µ tracks per second need to be detected and reconstructed.
Since the corresponding data rate of about 1 TB/s cannot be saved to disk, a trigger-less on line readout system was designed which is able to analyze the data while running. A farm with PCs equipped with powerful graphics processing units (GPUs) will perform the data reduction. The talk presents the ongoing integration of the sub detectors into the Field Programmable Gate Array (FPGA) based readout system which is used to preprocess, sort and transport the data to the filter farm.