Köln 2004 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 31: Instrumentation and Applications IV

HK 31.3: Talk

Wednesday, March 10, 2004, 14:45–15:00, C

Performances of RPC-prototypes for the FOPI-TOF-Upgrade — •everard cordier — Physikalisches Institut der Universität Heidelberg, 69120 Heidelberg, Germany.

The time of flight system of the FOPI detector at GSI is planned to be upgraded to a RPC based solution aiming at a time resolution better than 100 ps and a granularity of more than 500 in independant cells over a surface of 6 m². RPC prototypes with a strip line readout have been developped as well as the necessary electronics. Results will be presented on time resolution and efficiency as obtained from measurements with pulsers, γ-sources, minimum ionising particles and from beam tests.