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Measurements and TCAD simulation of novel ATLAS planar pixel detector structures for the HL-LHC upgrade

Abstract : The LHC accelerator complex will be upgraded between 2020-2022, to the High-Luminosity-LHC, to considerably increase statistics for the various physics analyses. To operate under these challenging new conditions, and maintain excellent performance in track reconstruction and vertex location, the ATLAS pixel detector must be substantially upgraded and a full replacement is expected. Processing techniques for novel pixel designs are optimised through characterisation of test structures in a clean room and also through simulations with Technology Computer Aided Design (TCAD). A method to study non-perpendicular tracks through a pixel device is discussed. Comparison of TCAD simulations with Secondary Ion Mass Spectrometry (SIMS) measurements to investigate the doping profile of structures and validate the simulation process is also presented.
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http://hal.in2p3.fr/in2p3-01064601
Contributor : Sabine Starita <>
Submitted on : Tuesday, September 16, 2014 - 4:30:39 PM
Last modification on : Saturday, October 3, 2020 - 3:54:46 AM

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C. Nellist, N. Dinu, E. Gkougkousis, A. Lounis. Measurements and TCAD simulation of novel ATLAS planar pixel detector structures for the HL-LHC upgrade. Pixel 2014 - 7th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging, Sep 2014, Niagara Falls, Canada. pp.C06009, ⟨10.1088/1748-0221/10/06/C06009⟩. ⟨in2p3-01064601⟩

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