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TA-DPG-2018-020

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Construction and Assembly of the Electromagnetic Calorimeter for the PANDA target spectrometer
Markus Moritz
markus.moritz@exp2.physik.uni-giessen.de
TA-DPG-2018-020.pdf (4.51 MB)
Talk
DPG (DPG)
DPG Spring Meeting 2018 - Hadronic and Nuclear Physics
Detector hardware
Monday, February 26, 2018 - 12:00
The electromagnetic target calorimeter (EMC) \cite{EMC} of the future $\overline{P}ANDA$ detector has the challenging aim to detect high energy photons with excellent energy resolution from 15 GeV down to a few tens of MeV. To reach this goal, improved PbW0$_4$ scintillator crystals, cooled down to $-25^\circ C$ have been chosen. They provide a fast decay time for highest count rates, short radiation length for compactness, improved light yield for lowest thresholds and excellent radiation hardness. The target calorimeter itself is divided into into a barrel and two endcaps. The individual crystal will be read out with two precisely matched large area avalanche photo sensors (APD). In the very inner part of the forward encap vacuum phototetrodes will be used instead.

In this talk the construction and assembly status will be presented. This includes for example the assembly of detector subunits, mechanical support structure, the cooling system, optical monitoring system and front end electronics.

This project is supported by the BMBF.
TA-DPG-2018-020: Construction and Assembly of the Electromagnetic Calorimeter f…

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