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Mainz 2012 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 12: Instrumentation

HK 12.9: Talk

Monday, March 19, 2012, 18:45–19:00, P 3

Low-mass Aluminum Microstrips for Data Transmission in the PANDA MVD — •Tommaso Quagli1,2, Daniela Calvo2, Paolo De Remigis2, Marco Mignone2, Robert Schnell1, and Richard Wheadon21Helmholtz-Institut für Strahlen- und Kernphysik, Rheinische Friedrich-Wilhelms-Universität Bonn, Nussallee 14-16, D-53115, Bonn, Germany — 2Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Via Pietro Giuria 1, 10125 Torino, Italy

Among the requirements of the PANDA Micro-Vertex-Detector (MVD) there are the capability to handle a high data rate with a continuous readout and a low material budget. These requirements, together with the layout constraints, demand dedicated low-mass cables for data transmission. Differential microstrips, realized with aluminum tracks laminated on a polyimide support, have been produced and experimentally tested for both electrical functionality and radiation hardness, using signal integrity techniques. Furthermore, the capability of the cables to cope with the SLVS signaling standard has been investigated. An overview of the results will be presented, examining the upper frequency limits of the samples and the dependences on layout and track width.

Finally, special focus will be given to the results of the radiation hardness measurements, performed with neutron irradiation at the research reactor at LENA (Pavia) and with proton irradiation at the cyclotron in Bonn.

Supported by INFN and BMBF.

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