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HK: Fachverband Physik der Hadronen und Kerne

HK 4: Instrumentation 3

HK 4.1: Vortrag

Montag, 23. März 2015, 14:30–14:45, M/HS4

Characterisation of a Prototype for the Backward End-Cap of the PANDA EMC. — Heybat Ahmadi^1,2, Samer Ahmed¹, Luigi Capozza^1,3, Alaa Dbeyssi^1,3, •Malte Deiseroth^1,2, Bertold Fröhlich^1,3, Dmitry Khaneft^1,2, Dexu Lin^1,3, Frank Maas^1,3, María Carmen Mora Espí^1,3, Cristina Morales Morales^1,3, Oliver Noll^1,2, David Rodríguez Piñeiro^1,3, Roserio Valente^1,2, Manuel Zambrana^1,2, and Iris Zimmermann^1,3 for the PANDA collaboration — ¹HIM — ²UNI-MAINZ — ³GSI

The PANDA detector at FAIR will be used to study interactions of antiprotons in a fixed target experiment. The electromagnetic calorimeter (EMC) of the target spectrometer, consisting of > 15,000 PWO crystals, with its expected excellent performance and efficiency, will be one of the central components to achieve the physical goals. A first prototype for the Backward End-Capt (BWC) containing 16 crystals has been build and tested during 3 days of beamtime. The test was done with tagged photons in an energy range from about 50 MeV to 700 MeV at the Mainzer Microtron (MAMI). The prototype was desinged to be as close as possible to the final desing of the BWC. This talk will give a short introduction in the design of the prototype and the latest updates, followed by a presentation of the results from the beam time. It will describe the data analysis and the extraction of the energy resolution.