SMuK 2021 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 6: Instrumentation II

HK 6.6: Vortrag

Montag, 30. August 2021, 18:00–18:15, H5

PANDA backward end-cap calorimeter support system — •David Rodriguez Pineiro¹, Alaa Dbeyssi¹, Frank Maas^1,2,3, Luigi Capozza¹, Oliver Noll¹, Sahra Wolff¹, Peter-Bernd Otte¹, Dong Liu¹, Alexander Christian Geriner¹, Julian Moik¹, and Samet Katilmis¹ for the PANDA collaboration — ¹Helmholtz-Institut Mainz, Germany — ²Institute of Nuclear Physics, Johannes Gutenberg University, Mainz, Germany — ³Prisma Cluster of Excellence, Mainz, Germany

The PANDA experiment will be one of three experimental pillars at the new accelerator facility FAIR in Darmstadt. The PANDA detector system has been designed to record antiproton annihilations at high rate and with high resolution and thus contribute to the understanding of the strong interaction in the nonperturbative regime. The group in Mainz is constructing the backward end-cap (BWEC) of the PANDA electromagnetic calorimeter, which will be used at the MAMI electron accelerator for a FAIR/Phase0 experiment at Mainz.

In order to mount and calibrate the detector a support system has been designed and built. All mechanical parts (shafts, bearings, connecting elements and a high ratio worm gearbox) have been chosen to comply with a safety factor of about two. It allows for a rotation by 90° changing between assembling position (mounting plate horizontal - crystals vertical) and working position. Both positions will also be used for the calibration with cosmic muons. The mechanical design of the backward end-cap will be discussed.