Development of a GEM-TPC prototype
Angerer, Heinz · Beck, Reinhard · Berger, Martin · Boehmer, Felix · Brinkmann, K. -T. · Buehler, Paul · Carnegie, Michael · Dorheim, Sverre · Fabbietti, Laura · Funke, Chr. · Cusanno, F. · Hehner, Joerg · Heinz, Andreas · Henske, Markus · Hoeppner, Christian · Kaiser, David · Ketzer, Bernhard · Konorov, Igor · Kunkel, Jochen · Lang, Michael · Marton, Johann · Neubert, Sebastian · Paul, Stephan · Schmah, Alexander · Schmidt, Christian · Schmitz, Roman · Schwab, Sandra · Soyk, Daniel · Suzuki, Ken · Thoma, Ulrike · Vandenbroucke, Maxence · Voss, Bernd · Walter, Dieter · Weitzel, Quirin · Widmann, Eberhard · Winnebeck, Alexander · Woerner, Lisa · Zaunick, H. -G. · Zhang, Xiaodong · Zmeskal, Johann
Original · EN
The use of GEM foils for the amplification stage of a TPC instead of a con- ventional MWPC allows one to bypass the necessity of gating, as the backdrift is suppressed thanks to the asymmetric field configuration. This way, a novel continuously running TPC, which represents one option for the PANDA central tracker, can be realized. A medium sized prototype with a diameter of 300 mm and a length of 600 mm will be tested inside the FOPI spectrometer at GSI using a carbon or lithium beam at intermediate energies (E = 1-3AGeV). This detector test under realistic experimental conditions should allow us to verify the spatial resolution for single tracks and the reconstruction capability for displaced vertexes. A series of physics measurement implying pion beams is scheduled with the FOPI spectrometer together with the GEM-TPC as well.
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