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HK: Fachverband Physik der Hadronen und Kerne

HK 48: Poster

HK 48.19: Poster

Mittwoch, 25. März 2015, 17:00–19:00, C/Foyer

Construction and Test of a New Time-of-Flight Wall Prototype for R³B — Max Gilbert¹, •Michael Heil², René Reifarth¹, Jan Glorius¹, and Tanja Heftrich¹ for the R3B collaboration — ¹Goethe Universität Frankfurt, Frankfurt, Germany — ²GSI Helmholtzzentrum, Darmstadt, Germany

In order to fully exploit the potential of FAIR beams at the R³B setup a new time-of-flight wall with superior time and energy resolution is essential. With the time-of-flight and energy loss measurements of the ToF wall the mass and the nuclear charge of the reaction products can be uniquely determined. The excellent performance has to be maintained even for heavy ion beams up to the Pb region and at high counting rates up to 1 MHz. The planned detector will consist of 176 plastic scintillator paddles in 4 layers. A smaller prototype with 24 paddles was tested at GSI with ⁵⁸Ni and ⁴⁸Ca beams. The design of the detector as well as the results of the performance tests will be presented.