SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 149: Detector Systems / Muon

T 149.3: Vortrag

Donnerstag, 23. März 2023, 18:00–18:15, WIL/C133

LHCb Upgrade II - Mighty Tracker Sci-Fi Readout — Thomas Kirn, Thomas Oeser, Stefan Schael, and •Sebastian Schmitt — I. Phys. Inst. B RWTH Aachen

The LHCb experiment at the Large Hadron Collider (LHC) at CERN is an experiment designed to perform precise measurements of CP-Violation and rare decays of b-hadrons. With its configuration during Run I and Run II of the LHC, many measurements are statistically limited, hence more data are required to improve their sensitivity.

The LHCb Upgrade II detector will operate with increased instantaneous luminosity, L_int, in order to collect more data in a shorter time interval. This increases pile-up and the occupancy of the detector subsystems with respect to the current setup. As a result, the current detector needs to be upgraded in order to withstand the higher radiation damage and track multiplicity.

The downstream tracking stations will therefore be replaced by the Mighty Tracker, a tracker that comprises an inner silicon tracker and an outer Scintillating-Fibre (Sci-Fi) tracker. A design for the readout system of the Sci-Fi tracker is proposed that relies on coupling the Sci-Fi mats to a cryogenous chamber that houses Silicon Photomultipliers (SiPMs). This talk focuses on how to perform the coupling of the Sci-Fi mats to the cryogenous cooling chamber readout system.