Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 27: Halbleiterdetektoren II

T 27.9: Talk

Tuesday, March 26, 2019, 18:00–18:15, H03

Lab characterization of the ATLASPix1 — •David Maximilian Immig for the ATLAS AMS/TSI-CMOS-Pixel collaboration — Physikalisches Institut, Universität Heidelberg

For the operation at the High Luminosity Large Hadron Collider (HL-LHC) the ATLAS Inner Tracker (ITk) will by fully replaced. The increase of the instantaneous luminosity to 5-7 times the nominal value of LHC sets new challenges for the pixel modules regarding radiation tolerance and readout capability. For the outermost pixel layer alternatives to the hybrid detector baseline technology are considered. Their feasibility with respect to the previous mentioned requirements has to be proven. A promising prototype is the ATLASPix1, a High Voltage Monolithic Active Pixel Sensor (HV-MAPS) produced in the aH18 process by AMS. This technology combines fast charge collection via drift of an active pixel matrix with a full readout in a monolithic architecture.
This talk covers the latest results from lab measurements for the characterization of ATLASPix1.