Heidelberg 2015 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 48: Poster
HK 48.4: Poster
Mittwoch, 25. März 2015, 17:00–19:00, C/Foyer
Technical Development of the Backward End-Cap (BWEC) for the PANDA Electromagnetic Calorimeter (EMC) — •Roserio Valente1,2, Heybat Ahmadi1,2, Samer Ahmed1, Luigi Capozza1,3, Alaa Dbeyssi1,3, Malte Deiseroth1,2, Bertold Fröhlich1,3, Dmitry Kahneft1,2, Dexu Lin1,3, Frank Maas1,3, María Carmen Mora Espí1,3, Cristina Morales Morales1,3, Oliver Noll1,2, David Rodríguez Piñeiro1,3, Manuel Zambrana1,2, and Iris Zimmermann1,3 for the PANDA collaboration — 1Helmholtz-Institut Mainz — 2Johannes Gutenberg-Universität Mainz — 3GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt
The Backward End-Cap (BWEC) of the PANDA Electromagnetic Colorimeter (EMC) will be placed upstream of the interaction point. In this region several other sub-detectors, that operate at different working conditions, are assembled and inserted into PANDA solenoid cavity. This constitutes a challenge for the structural and functional development of the BWEC, since the solid angle coverage with lead tungsten crystals needs to be maximized to meet the physics case requirements. Thanks to a profitable collaboration with the neighbor sub-detector groups, the BWEC 3D design has been constantly updated to take into account the constraints of the experiment. The design of parts, such as the BWEC support, insertion trolley, cooling network and service routing were optimized. In parallel, studies are being done to validate the pressure drop and heat distribution inside the cold volume as well to validate the mechanical stability of the supporting parts.