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The Scintillating Fibre Tracker

A new downstream particle tracker for the LHCb Upgrade in 2019-2020 covering 360 m2 in 12 layers with a precision better than 0.1 mm. The technology is based on scintilating plastic fibre optics and silicon photodetectors.

Everything SciFi.

Heidelberg PI

Development of the Scintillating Fibre Tracker for the LHCb experiment (Montag 10:30-12:00 INF 226 03.410)
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The LHCb Upgrade

By collecting more data faster and with greater flexibility, LHCb will explore flavour physics to better precision than ever before.
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SciFi Software

The tools for performing simulation, reconstruction and tracking
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Scintillating Fibres

The 0.250mm diameter plastic scintillating fibres provide the active detector material for the SciFi tracker.
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Mats and Modules

10,000 kms of scintillating fibre are wound into ribbons for the detector.
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Silicon Photomultipliers (SiPM)

Fast and compact pixelated silicon photodetectors with single photon counting capabilities.
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PACIFIC

A custom designed ASIC chip for the SciFi Tracker to digitise the SiPM signals.
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Front-end Electronics

Supplies the communcations and power supply for the PACIFIC.
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Light Injection

Supplies a fast light source for calibating the 600,000 SiPM channels via VCSEL laser diodes.
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Cooling

The system cools 150 metres of SiPM detectors to -40C to reduce the effects of radiation damage.
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A collaboration of 17 institutes from 10 countries.