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HK: Fachverband Physik der Hadronen und Kerne

HK 55: Instrumentation XIV

HK 55.3: Vortrag

Donnerstag, 23. März 2023, 14:45–15:00, SCH/A251

Beam monitoring and T0 system for the CBM experiment at FAIR — •Adrian Rost for the CBM collaboration — Facility for Antiproton and Ion Research in Europe GmbH, Darmstadt, Germany

A beam detector system for the CBM experiment at the FAIR accelerator complex has been developed. The system will be used for T0 measurements with a precision in the order of 50 ps and for beam monitoring purposes i.e. beam halo particle measurements. The concept has been prepared and will consist of two detector stations, one used for beam monitoring and the second for the T0 measurement. Both detector stations are planned to utilize poly-crystal CVD diamond technology. But also new technologies like the Low Gain Avalanche Detectors (LGADs) are under investigation in collaboration with the HADES experiment at GSI. The sensors will be mounted on dedicated printed circuit boards, equipped with amplifier and shaping circuits. The detector stations are located in standard vacuum elements which are integrated into the CBM beamline. Two pcCVD diamond based prototype sensors have been prepared for tests at the mCBM experiment at the SIS18 accelerator. The read-out system will utilize the PADI discriminator and the GET4 TDC ASICs. In this contribution the BMON concept and the current status of the project will be presented.

*This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No. 87072.