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Münster 2011 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Instrumentierung - Poster

HK 39.46: Poster

Mittwoch, 23. März 2011, 14:00–16:00, Foyer Chemie

Study on electron/pion discrimination with the CBM Transition Radiation Detector — •Patrick Reichelt — Institut für Kernphysik Frankfurt

In the CBM experiment at FAIR, a Transition Radiation Detector (TRD) is foreseen for tracking and electron/pion discrimination. Up to twelve detector layers are considered, each with a thin gas volume in order to have sufficiently fast readout for the intended high collision rates. This however compromises the TR-photon absorption efficiency, which is essential for electron identification. A combined study of the electron/pion discrimination dependence on the detector thickness and on two methods of combining the signals of the individual layers will be presented. The influence of the radiator performance will be discussed. For a single detector, the employed simulations will be compared to prototype measurements.

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