Bonn 2020 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 65: Combined Instrumentation Session: Silicon Pixel Detectors (joint session HK/T)

HK 65.4: Vortrag

Freitag, 3. April 2020, 11:45–12:00, J-HS K

Results from the MIMOSIS-0 CMOS Monolithic Active Pixel Sensor — •Benedict Arnoldi-Meadows for the CBM-MVD collaboration — Goethe Universität Frankfurt am Main

The next generation CMOS Monolithic Active Pixel Sensor MIMOSIS is being developed to respond to the challenges imposed by future applications including the CBM Micro Vertex Detector. The project, which is carried out by the PICSEL group of IPHC Strasbourg and the Goethe University Frankfurt, aims for a 50 µ m thin and ∼ 5 cm² sized sensor. This sensor will host 1024×504 pixels with a size of 26.9 × 30.2 µ m². The pixels include the amplifier-shaper-discriminator chain known from the ALPIDE chip which was extended to achieve a compatibility with a fully depleted sensing element. Moreover, MIMOSIS will feature a continuous readout suited for a readout time of 5 µ s and peak rates of 70 MHz/cm².

We show results from measurements performed with the preamplifier of a first prototype called MIMOSIS-0, which indicate that a time resolution well below 1  µ s might be within reach. *This work has been supported by BMBF ErUM-FSP C.B.M. (05P19RFFC1), GSI and HIC for FAIR.