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Compressed Baryonic Matter (CBM)

Welcome to the CBM division at GSI

The Compressed Baryonic Matter (CBM) experiment will be one of the major scientific pillars of the future Facility for Antiproton and Ion Research (FAIR) in Darmstadt. The goal of the CBM research program is to explore the QCD phase diagram in the region of high baryon densities using high-energy nucleus-nucleus collisions. This includes the study of the equation-of-state of nuclear matter at high densities, and the search for the deconfinement and chiral phase transitions. The CBM detector is designed to measure both bulk observables with large acceptance and rare diagnostic probes such as charmed particles and vector mesons decaying into lepton pairs.


The CBM Division at GSI is significantly involved in the following activities:

  • Design, development and construction of the Silicon Tracking System (STS) which is the key detector of the CBM experiment
  • Software development, feasibility and performance studies, online/offline event reconstruction and selection
  • Development of the front-end electronics for the time-of-flight detector
  • Layout of the cave and its infrastructure
  • Coordination of the CBM collaboration


Contact: Peter Senger P.Senger(at)