In-beam performance of neutron irradiated MIMOSIS-1 CMOS Monolithic Active Pixel Sensors

Abstract MIMOSIS is the CMOS Monolithic Active Pixel Sensor designed for the Micro Vertex Detector (MVD) of the Compressed Baryonic Matter (CBM) experiment currently under development at FAIR. The sensors have to combine a spatial and a time resolution of 5 µm and 5 µs, handle a peak hit rate of ∼ 80 MHz/cm 2 , and to withstand Total Ionizing radiation Doses (TID) of ∼ 5 MRad and Non-Ionizing Energy Loss (NIEL) fluences of ∼ 7 × 10 13 n eq /cm 2 before being replaced. Prior to their use in the experiment, the sensors undergo lab and in-beam tests, to qualify their performance in charged particles detection. In this work we present the sensor design and concept, a summary of its requirements as a candidate for the CBM-MVD, followed by the performance results of the first full-size prototype, MIMOSIS-1, from in-beam tests done at DESY and CERN, after being irradiated to different TID and NIEL fluences.

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Publication Details

Journal
Journal of Instrumentation
Published
2025-08-01
DOI
https://doi.org/10.1088/1748-0221/20/08/c08009
Primary Topic
Particle Detector Development and Performance
Type
article
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article

In-beam performance of neutron irradiated MIMOSIS-1 CMOS Monolithic Active Pixel Sensors

M. Schulz, Fréderic Morel, Benedict Arnoldi-Meadows, Roma Bugiel et al.
Journal of Instrumentation
Particle Detector Development and Performance
article

In-beam performance of neutron irradiated MIMOSIS-1 CMOS Monolithic Active Pixel Sensors

M. Schulz, Fréderic Morel, Benedict Arnoldi-Meadows, Roma Bugiel, M. Specht, Franz Matejcek, C. Braun, Oliver Keller, M. Deveaux, C. Müntz, J. Baudot, Guy Dozière, Christine Hu-Guo, G. Bertolone, Yüe Zhao, M. Goffe, I. Fröhlich, Stefan Schreiber, Michal Kozieł, Julio Andary, Kimmo Jaaskelainen, Benedikt Gutsche, Ali-Murteza Altingun, J. Stroth, G. Claus, N. Bialas, Hasan Darwish, Auguste Besson, Hung Pham, M. Winter, Jan Michel, Abdelkader Himmi, Ziad El Bitar, A. Dorokhov, C. Colledani, Christian Joachim Schmidt, Isabelle Valin, Eva-dhidho Taka
article en

Abstract

Abstract MIMOSIS is the CMOS Monolithic Active Pixel Sensor designed for the Micro Vertex Detector (MVD) of the Compressed Baryonic Matter (CBM) experiment currently under development at FAIR. The sensors have to combine a spatial and a time resolution of 5 µm and 5 µs, handle a peak hit rate of ∼ 80 MHz/cm 2 , and to withstand Total Ionizing radiation Doses (TID) of ∼ 5 MRad and Non-Ionizing Energy Loss (NIEL) fluences of ∼ 7 × 10 13 n eq /cm 2 before being replaced. Prior to their use in the experiment, the sensors undergo lab and in-beam tests, to qualify their performance in charged particles detection. In this work we present the sensor design and concept, a summary of its requirements as a candidate for the CBM-MVD, followed by the performance results of the first full-size prototype, MIMOSIS-1, from in-beam tests done at DESY and CERN, after being irradiated to different TID and NIEL fluences.

Journal of InstrumentationVol. 20(08)
Goethe University Frankfurt (DE), Centre National de la Recherche Scientifique (FR), Helmholtz Association of German Research Centres (DE), GSI Helmholtz Centre for Heavy Ion Research (DE), Université Paris-Saclay (FR), Institut National de Physique Nucléaire et de Physique des Particules (FR), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (FR), Facility for Antiproton and Ion Research (DE), Université de Strasbourg (FR)
Openalex Percentile: Top 91%
Particle Detector Development and Performance
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