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Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Postersession

HK 45.37: Poster

Wednesday, March 16, 2016, 18:30–20:30, S1/05 22-24

Position sensitive plastic scintillating fibre-detectors for heavy ion detection — •Sebastian Scholl, Joachim Tscheuschner, Stefanos Paschalis, Thomas Aumann, and Heiko Scheit — Institut für Kernphysik, Technische Universität, 64289 Darmstadt, Germany

The R3B (Reactions with Relativistic Radioactive Beams) experiment at FAIR will be able to perform kinematically complete measurements of reactions with relativistic heavy-ion beams up to 1 AGeV. In order to track the beam before the target and to determine the mass number of the scattered nucleus after the reaction, five fibre detectors with sizes between 10.24 x 10.24 cm2 and 120 x 80 cm2 are going to be built for the R3B setup. These fibre detectors will provide xy-position of the trajectory of charged particles after the reaction target. The light from the fibre detector is sensed using MPPCs (Multi Pixel Photon Counter). For the readout of the MPPCs we will test different electronics. In this contribution we present results obtained using an α-source and a LED light source to generate light in the fibre and use the PADI-VFTX for readout. This work is supported by HIC for FAIR, GSI-TU Darmstadt cooperation and the BMBF project 05P15RDFN1.

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