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HK: Fachverband Physik der Hadronen und Kerne

HK 34: Instrumentierung

HK 34.8: Vortrag

Mittwoch, 19. März 2014, 18:45–19:00, HZ 8

Detector module development for the CBM Silicon Tracking System — •Olga Bertini for the CBM collaboration — GSI Helmholtzzentrum, Darmstadt

The central detector of the CBM experiment at FAIR, the Silicon Tracking System (STS), is designed to reconstruct hundreds of charged particle tracks produced at rates up to 10 MHz in interactions of ion beams of up to 45 AGeV projectile energies with nuclear targets. The building block of the tracking system is a module suitable for a low-mass detector construction. In a module, the basic functional unit of the STS, radiation tolerant microstrip sensors are read out through low-mass multi-line cables with self-triggering front-end electronics located at the periphery of the system. Light-weight carbon fibre support structures will carry 10 of such modules and build up the STS stations. The performance of module prototypes has been evaluated, resembling the structure of the intended STS module. The shown prototypes comprise a full-size CBM05 sensor and two 128-channel read-out cables attached to the read-out pads on either side of the sensor. The cables end in connector boards interfacing to two front-end boards each hosting one n-XYTER chip.
Supported by EU-FP7 HadronPhysics3.