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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 18: HK+T Joint Session IV: Pixel Detectors

HK 18.2: Talk

Tuesday, March 28, 2017, 11:15–11:30, F 073

Large Area Monolithic Pixel Detectors for HL-LHC & Future High Rate Experiments — •Tamasi Rameshchandra Kar, Adrian Herkert, and André Schöning — Physikalisches Institut, Universität Heidelberg, Germany

The high luminosity upgrade of the LHC (HL-LHC) aims to increase the luminosity to five times the designed luminosity to explore and better understand several interesting physics processes. This poses several challenges to the present design of the detector due to increased occupancy, very high pileup (∼200) and radiation dense environment.
Recent advancements in HV-CMOS technology gave birth to thin, radiation hard monolithic pixel detectors at a cost per unit area comparable to traditional strip detectors. This opens up the possibilities unthinkable in the past, e.g. it is possible to construct large area pixel detectors for experiments like ATLAS, CMS and other future collider experiments.
Track triggers are on the wish-list for many experiments as a key trigger to harvest interesting physics. A track trigger based on a triplet design comprising of three layers of monolithic pixel sensors is proposed for the ATLAS inner tracker. The feasibility of such a track trigger operated at the first level at 40 MHz is exploited based on a full Geant4 simulation. In addition a design proposal for such a triplet trigger using Mupix8, a first large High Voltage Monolithic Active Pixel Sensor (HV-MAPS) prototype will be presented.

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