Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 18: DAQ und Trigger I

T 18.4: Vortrag

Montag, 25. März 2019, 16:50–17:05, ST 2

A control system for the Mu3e DAQ — •Martin Müller for the Mu3e collaboration — Institute for Nuclear Physics, JGU Mainz, Germany

The Mu3e experiment will search for the lepton flavour violating decay µ⁺ → e⁺ e⁻ e ⁺ and is aiming for a sensitivity of one in 10¹⁶ muon decays. Since this decay is highly suppressed in the Standard Model to a branching ratio of below O(10⁻⁵⁴), an observation would be a clear sign for new physics.

In the Mu3e detector, four thin layers of silicon pixel sensors will be used to track electrons and positrons. The overall detector is expected to produce a data rate from 80 Gbit/s (Phase I) to 1 Tbit/s (Phase II), which will be processed in a three-layer, triggerless DAQ system using FPGAs and a GPU filter farm for online event selection.

The talk will focus on the control system for the first two DAQ layers and their connections to the Maximum Integrated Data Acquisition System (MIDAS) as well as the clock and reset distribution system.