Bochum 2009 – scientific programme
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HK: Fachverband Hadronen und Kerne
HK 76: Accelerators and Instrumentation II
HK 76.5: Talk
Thursday, March 19, 2009, 18:00–18:15, H-ZO 90
Test of prototype DSSDs for EXL — •le xuan chung1, ruud borger2, thomas davinson3, peter egelhof1, vladimir eremin4, nasser kalantar2, jens volker kratz5, manfred mutterer1,6, norbert pietralla6, catherine rigollet2, mirko von schmid6, branislav streicher1,5, and philip woods3 — 1GSI Darmstadt — 2KVI Groningen, The Netherlands — 3The University of Edinburgh, UK — 4PTI St. Petersburg, Russia — 5Universität Mainz — 6TU Darmstadt
Prototype double-sided silicon strip detectors (DSSD) of 300 μm thickness produced at the PTI St. Petersburg (Russia) were tested for the use as position sensitive ΔE and E detectors for tracking and particle identification in the EXL (EXotic nuclei studied in Light-ion induced reactions) setup at the FAIR (Facility for Antiproton and Ion Research) project at GSI. We describe the characteristics of detectors with 16 x 16 strips of 300 μm pitch size and 7.0 x 7.0 mm2 chip dimension, and also with 64 x 64 and 64 x 16 strips of 300 μm and 1250 μm pitch size, respectively, and 21.2 x 21.2 mm2 chip dimension. The response of these detectors for 241Am α particles injected either from the p+ or n+ side was examined. The test measurements were performed partially at GSI and the University of Edinburgh. The results reveal good spectroscopic properties of these detectors. Our work will continue with 100 μm thick detectors and larger active area, up to 65 x 65 mm2.