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Feb 15 – 19, 2016
Vienna University of Technology
Europe/Vienna timezone

Radiation Hard Silicon Particle Detectors for HL-LHC – RD50 Status Report

Feb 16, 2016, 2:00 PM
EI7 (Vienna University of Technology)


Vienna University of Technology

Talk Semiconductor Detectors Semiconductor Detectors


Stefano Terzo (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)


It is foreseen to significantly increase the luminosity of the LHC by upgrading towards the HL-LHC (High Luminosity LHC). The Phase-II-Upgrade scheduled for 2023 will mean unprecedented radiation levels, way beyond the limits of the silicon trackers currently employed. All-silicon central trackers are being studied in ATLAS, CMS and LHCb, with extremely radiation hard silicon sensors to be employed on the innermost layers. Within the RD50 Collaboration, a massive R&D program is underway across experimental boundaries to develop silicon sensors with sufficient radiation tolerance. We will present results of several detector technologies and silicon materials at radiation levels corresponding to HL-LHC fluences. Based on these results, we will give recommendations for the silicon detectors to be used at the different radii of tracking systems in the LHC detector upgrades. In order to complement the measurements, we also perform detailed simulation studies of the sensors, e.g. device structure optimization or predictions of the electric field distributions and trapping in the silicon sensors.

Primary author

Stefano Terzo (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)

Presentation materials