Bochum 2018 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 60: Instrumentation XVII and Accelerators

HK 60.5: Vortrag

Freitag, 2. März 2018, 15:15–15:30, Audimax H1

Beam and Vacuum Studies of the PANDA Cluster-Jet Target — •Benjamin Hetz, Daniel Bonaventura, Silke Grieser, Ann-Kathrin Hergemöller, and Alfons Khoukaz for the PANDA collaboration — 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 phase one target for the upcoming PANDA experiment at the antiproton storage ring HESR at FAIR. This cluster-jet target in close to final PANDA geometry is by now successfully set into operation, including the final vacuum and beam monitor systems and the final beam dump of the PANDA experiment. Thicknesses of more than 2 × 10¹⁵ atoms/cm² in distances of 2.25 m away from the cluster-jet generator demonstrate the benefits of Münster cluster-jet targets for high luminosity 4π experiments which require a constant thickness in time.
The current results of the PANDA target thickness and vacuum studies in Münster will be presented. This includes the results of different beam monitor systems, i.e. destructive and non-destructive systems, realized at different vacuum chambers along the jet beam path into the beam dump of the PANDA target. Furthermore, the vacuum conditions at different stages of the jet beam line and the gas back flow rates of the PANDA beam dump will be discussed.
Additionally, a preview of the planed 2018 beam time with the PANDA cluster-jet target at the COSY accelerator in Jülich will be given.