Integration Concept of the CBM Micro Vertex Detector

2025/02/07 by Franz Matejcek, Ali-Murteza Altingun, Matejcek, Franz +73 · 1 citation
Medicine · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #Instrumentation and Detectors (physics.ins-det) #Medical Imaging Techniques and Applications #Nuclear Experiment (nucl-ex) #Particle Detector Development and Performance #Radiation Detection and Scintillator Technologies

paper · doi:10.48550/arxiv.2502.04858

openalex publication_date 2025/02/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Abstract

The Micro Vertex Detector (MVD) is the most upstream detector of the fixed-target Compressed Baryonic Matter Experiment (CBM) at the future Facility for Antiproton and Ion Research (FAIR). It enables high-precision low-momentum tracking in direct proximity of the target. Reaching the stringent requirements for the MVD, a material budget of~0.3 - 0.5% X₀ per layer, operating the dedicated CMOS MAPS~(`MIMOSIS') in the target vacuum, the strong magnetic dipole field, and a harsh radiation environment~(5 Mrad, 7×10¹³ n_eq/cm² per CBM year), poses an unprecedented integration challenge. In this paper, the integration concept of the detector is be outlined, elaborating on the selection and preparation of materials, assembly procedures, and quality assessment steps in the ongoing preparation of pre-series production and detector commissioning in 2028.

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