Hamburg 2016 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 57: Detektorsysteme II
T 57.7: Vortrag
Dienstag, 1. März 2016, 18:15–18:30, VMP8 SR 205
Test beam results of LHCb Scintillating Fibre tracker prototypes — Sebastian Bachmann, Albert Comerma, David Gerick, Stephanie Hansmann-Menzemer, Matthieu Kecke, Blake Leverington, José Mazorra de Cos, •Dominik Mitzel, Max Neuner, Ulrich Uwer, and Xiaoxue Han for the LHCb collaboration — Physikalisches Institut, Universität Heidelberg
During the Long Shutdown 2 of the LHC, the LHCb detector will undergo a major upgrade to meet the challenges of running at a higher luminosity. The current Inner and Outer Tracking system will not be sufficient to deal with the envisaged increased detector occupancy and higher radiation levels and will be replaced by a single tracking detector based on 0.250 mm diameter plastic scintillating fibres. The fibres are wound to multilayer ribbons 2.4 m long and read out by 128 channel silicon photomultiplier arrays. The Scintillating Fibre (SciFi) tracker will cover a total active area of 360 m2, arranged in 12 layers. The performances of prototype modules having 6 and 8 layers of fibre have been tested at the SPS at CERN. This talk will focus on basic properties of the prototype modules such as spatial resolution, single hit efficiency and light yield measured during the test beam campaigns in 2015.