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23 April 2024

» arxiv » 0911.0759

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Development of a GEM-TPC prototype
Heinz Angerer ; Reinhard Beck ; Martin Berger ; Felix Boehmer ; K. -T. Brinkmann ; Paul Buehler ; Michael Carnegie ; Sverre Dorheim ; Laura Fabbietti ; Chr. Funke ; F. Cusanno ; Joerg Hehner ; Andreas Heinz ; Markus Henske ; Christian Hoeppner ; David Kaiser ; Bernhard Ketzer ; Igor Konorov ; Jochen Kunkel ; Michael Lang ; Johann Marton ; Sebastian Neubert ; Stephan Paul ; Alexander Schmah ; Christian Schmidt ; Roman Schmitz ; Sandra Schwab ; Daniel Soyk ; Ken Suzuki ; Ulrike Thoma ; Maxence Vandenbroucke ; Bernd Voss ; Dieter Walter ; Quirin Weitzel ; Eberhard Widmann ; Alexander Winnebeck ; Lisa Woerner ; H. -G. Zaunick ; Xiaodong Zhang ; Johann Zmeskal ;
Date:	4 Nov 2009
Abstract:	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.
Source:	arXiv, 0911.0759
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