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HK: Fachverband Physik der Hadronen und Kerne

HK 7: Invited Talks - II

HK 7.2: Hauptvortrag

Dienstag, 31. August 2021, 11:30–12:00, H1

The Compressed Baryonic Matter experiment at FAIR — •Alberica Toia for the CBM collaboration — Goethe University Frankfurt — GSI

The study of QCD matter at extreme temperature and density such as existing shortly after the Big Bang or in the core of neutron stars, can bring new insights into the innermost structure of matter and the fundamental forces between its building blocks.

While gravitational wave events reveal a glimpse of QCD matter at these extreme conditions, the future Facility for Antiproton and Ion Research (FAIR) will directly create and investigate its properties in the laboratory. For the very high net-baryon densities, produced by nucleus-nucleus collisions at SIS100 beam energies (3.5-12 AGeV), phenomena such as first order phase transition between hadronic and partonic matter which may terminate at a critical point or even more exotic phases may be expected.

The Compressed Baryonic Matter (CBM) experiment is a dedicated heavy-ion investigation designed to explicitly access rare observables sensitive to the detector media, employing fast and radiation hard detectors, self-triggered detector front-ends and a free-streaming readout architecture.

Several of the CBM detector systems, the data read-out chain and event reconstruction for several of the CBM detector subsystems are commissioned and already used in experiments for FAIR phase 0 and for a full-system setup at GSI SIS18. The physics program of CBM will be reviewed and the current status of the experiment will be reported.