Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 5: Methods in particle physics 1 (e/gamma, SciFi)

T 5.6: Talk

Monday, March 4, 2024, 17:15–17:30, Geb. 20.30: 2.066

The commissioning and performance of the Scintillating Fibre Tracker of LHCb — Xiaoxue Han, Blake Leverington, Ulrich Uwer, •Chishuai Wang, Lukas Witola, and Ya Zhao — Physikalisches Institut, Heidelberg, Germany

During LS2, the LHCb collaboration has installed a new tracking detector, the Scintillating Fibre (SciFi) Tracker, as a part of the LHCb Upgrade I.

The detector uses scintillating fibres as active material and silicon photomultiplier arrays for the electronic readout. The detector has been designed to be readout at 40MHz and to be operated at a five times higher instantaneous luminosity than in LHCb Run2.

The SciFi tracker has been completed in early 2022 and has been commissioned since. The commissioning includes the calibration of the thresholds used for digitalisation and the time alignment of the signal integration window with respect to the physics signal.

First performance studies have been performed and will be presented.

Keywords: Tracking detector; Scintillating Fibres; Detector commissioning; Detector performance