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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.83: Poster

Tuesday, March 28, 2017, 16:45–18:45, F Foyer

Target thickness distribution studies using the PANDA cluster-jet target — •B. Hetz, D. Bonaventura, S. Grieser, A.-K. Hergemöller, A. Khoukaz, E. Köhler, and M. Matthias — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany

The internal cluster-jet target build up at the University of Münster will be the first of the two planned targets for the upcoming PANDA experiment at the antiproton accelerator and storage ring HESR at FAIR. This cluster-jet target in close to PANDA geometry including vacuum and beam monitor systems and the final beam dump for the PANDA experiment is by now succefully set into operation.
Since main interest is put on antiproton-proton interaction at the experiment, the properties of the used hydrogen target cluster beam are from highest interest. Studies on the areal and volume thickness distributions inside the cluster beam revealed regions of higher thickness inside the beam itself, so called core beams. This core beams allow target thicknesses up to more than ρ ≈ 1015 atoms/cm2 after two meters from the nozzle. The automated control of skimmer, collimator and a special spherical joint allow to extract parts of the beam. Additionally other means of control given by used gas stagnation conditions enable the possibilty for a continous variation of the target thickness during operation mode.
The devices for this density structure studies using the automated control of the PANDA cluster-jet target and first results will be presented.

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