11-15 February 2013
Vienna University of Technology
Europe/Vienna timezone

The LHCb Silicon Tracker

13 Feb 2013, 09:00
20m
Vienna University of Technology

Vienna University of Technology

Gußhausstraße 25-29, 1040 Wien (Vienna), Austria

Speaker

Mark Tobin (Universitaet Zuerich (CH))

Description

The LHCb experiment is designed to perform high-precision measurements of CP violation and search for New Physics using the enormous flux of beauty and charm hadrons produced at the LHC. The LHCb detector is a single-arm spectrometer with excellent tracking and particle identification capabilities. The Silicon Tracker is part of the tracking system and measures very precisely the particle trajectories coming from the interaction point in the region of high occupancies around the beam axis. The LHCb Silicon Tracker covers a total sensitive area of about 12 m2 using silicon micro-strip detectors with long readout strips. It consists of one four-layer tracking station before the LHCb dipole magnet and three stations after. The detector has performed extremely well since the start of the LHC operation despite the fact that the experiment is collecting data at instantaneous luminosities well above the design value. This paper reports on the operation and performance of the Silicon Tracker during the Physics data taking at the LHC during the last two years. The calibration procedures put in place will be discussed in addition to the intrinsic detector efficiency and resolution of the detector. Finally, measurements of the observed radiation damage will be shown and compared to that expected from simulation.
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Primary authors

Dr Abraham Antonio Gallas Torreira (Universidade de Santiago de Compostela (ES)) Mark Tobin (Universitaet Zuerich (CH))

Presentation Materials