Zongde Chen, Etude de la technologie CMOS pour detecteur de particules pixelises sous haute intensite et haute dose radiative

lundi 25 nov. 2019, 14:00 → 17:00 Europe/Paris

Amphi (CPPM)

Thesis title:  Depleted CMOS sensor development for pixel particle detectors under high intensity and high radiative dose

Abstract: The Inner Tracker (ITk) system of the ATLAS experiment will be upgraded for the 2026 High Luminosity Large Hadron Collider (HL-LHC) run. The HL-LHC will operate with a center of mass energy of 14 TeV and a peak instantaneous luminosity five times higher than at present. The increased luminosity will result in roughly ten times higher radiation levels and data rates. To cope with the ATLAS requirements in terms of radiation hardness, readout speed and granularity at the HL-LHC, the replacement of the present ATLAS Inner Tracker (ITk) is needed. Two large-scale depleted CMOS sensors in the 150 nm LF-technology called LF-CPIX and LF-MONOPIX, developed in the framework of the ATLAS Inner Tracker (ITK) upgrade for High Luminosity LHC. 

In particular, development of several test setups occurred to allowed detailed characterization of the ICs in the laboratory, then also addressing the specificities of testing in a high intensity irradiation beam to assess the radiation hardness of the designs. The test setups developed comprised of hardware and the related DAQ. The work done allowed full characterization the ICs, and proved the tolerance to radiation of the developments.

 

Jury members:

Marlon BARBERO, AMU/CPPM, Directeur de these
Cristinel DIACONU, CPPM/CNRS, Examinateur
Christine HU-GUO, IPHC/CNRS, Rapporteur
Fabienne ORSINI, Synchrotron SOLEIL, Rapporteur    
Heinz PERNEGGER, CERN, Examinateur
Alexandre ROZANOV, CPPM/CNRS, Co-directeur de these