Köln 2025 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 43: Instrumentation IX
HK 43.2: Talk
Thursday, March 13, 2025, 14:30–14:45, SR Exp1A Chemie
Performance studies with the novel MIMOSIS-2.1 Sensor* — •Benedict Arnoldi-Meadows for the CBM-MVD collaboration — Goethe-Universität Frankfurt
The cmos Monolithic Active Pixel Sensor mimosis will be used as sensor technology for the Micro Vertex Detector (mvd) of the cbm experiment at fair in Darmstadt. It is currently in a R & D phase with mimosis-2.1 being its latest prototype, featuring likely fully depleted ac-coupled pixels with in total four sensing element designs, which were evaluated for their detection performance. These designs differ in the thickness of 25 µm and 50 µm and the doping in the epitaxy. The sensors under test feature numerous elements of the final sensor, e.g., the full data rate capability of the final sensor by 8 × 320 MHz links with the mimosis data format which clusters neighboring fired pixels on the envisaged ∼ 4.25 cm2 large pixel matrix with 1024 × 504 pixels, each with an individual pitch of ∼ 27 × 30 µm2.
The results of first sensor performance studies at dedicated test-beam facilities (desy, cern) will be presented.
*This work has been supported by bmbf (05P21RFFC2), gsi, Eurizon, hgs-hire, and hfhf.
Keywords: CBM; MVD; MIMOSIS; MAPS; CPS