Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 90: Experimentelle Methoden III

T 90.8: Vortrag

Donnerstag, 28. März 2019, 17:45–18:00, S01

Test beam results of the prototype of the LHCb SciFi Tracker — Sebastian Bachmann, Daniel Berninghoff, Albert Comerma, Michal Dziewiecki, Xiaoxue Han, Blake Leverington, Hanna Malygina, Ulrich Uwer, and •Lukas Witola — Physikalisches Institut, Heidelberg, Germany

The LHCb Scintillating Fibre (SciFi) Tracker is designed to replace the current downstream tracking detectors in the LHCb Upgrade during the shutdown 2019 to 2020. It is based on 2.5 m long and 0.250 mm diameter scintillating fibres as the active medium. Silicon photomultiplier arrays with 128 channels and 0.25 mm channel width are used for readout. The front-end electronics are based on a custom ASIC chip, the PACIFIC, and an FPGA for the hit clustering with a readout rate of 40 MHz.

The prototype modules of the SciFi Tracker with the full readout chain have been studied at the CERN SPS test beam area. Performance results of the electronics as well as of the detector will be reported.