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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster Session

HK 27.19: Poster

Mittwoch, 18. März 2026, 16:15–18:30, Redoutensaal

Status of the CBM Micro Vertex Detector Simulations* — •Julio Andary for the CBM-MVD collaboration — Goethe-Universität Frankfurt am Main

CBM’s Micro Vertex Detector (MVD) will help identify rare particles emitted in violent heavy ion collisions at FAIR and supplements the main tracker (STS) with high-precision pointing capability close to the target. This places, besides outstanding radiation hardness, high demands on the material budget of the detector which in turn has an impact on the performance of the detector. Thus, the detector was optimized w.r.t. multiple scattering and adding unwanted background tracks originating from external conversion of photons.

The focus of this contribution is on the gain in tracking performance enabled by the MVD, also considering alternative detector geometries. Currently, there are two distinct variants of the MVD geometry - a vertexing geometry and a tracking geometry, adjusted to optimize either secondary vertexing of rare particles or particle tracking in a high multiplicity environment, together with the STS detector.

*This work has been supported by BMFTR (05H24RF5), GSI and HFHF.

Keywords: CBM; MVD; MIMOSIS