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HK: Fachverband Hadronen und Kerne
HK 84: Accelerators and Instrumentation I
HK 84.2: Talk
Friday, March 20, 2009, 11:15–11:30, H-ZO 80
Performace studies of the new Multiwire Drift Chambers for HADES using the new Readout system — •Jörn Wüstenfeld1, Kathrin Göbel3, Burkhardt Kämpfer1, Roland Kotte1, Lothar Naumann1, Marek Palka2,4, Attilio Tarantola2,3, and Michael Traxler2 — 1Institut für Strahlenphysik, Forschungszentrum Dresden - Rossendorf, Dresden, Germany — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany — 3Institut für Kernphysik, Goethe Universität, Frankfurt, Germany — 4Smoluchowski Institute of Physics, Jagiellonian University, Krakow, Poland
Seven new Multiwire Drift Chambers of plane 1 for the High - Acceptance Di - Elektron Spectrometer (HADES)
are assembled in the Detector Workshop of the Forschungszentrum Dresden - Rossendorf.
We present the results of test performed on the first chamber in comparison with the main design parameters .
End of 2008 one detector was completely equipped with the new generation of the readout system designed for the
high multiplicity environment as provided in collisions of heavy systems at HADES @ FAIR.
The chamber was investigated with cosmic rays and β (90Sr) source. The obtained results show that the new design fulfills the
requirements with respect to efficiency, accuracy and rate capability. These chambers will be installed in 2009 to be armed
for the upcoming heavy ion program.