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HK: Fachverband Physik der Hadronen und Kerne

HK 8: Instrumentation III

HK 8.7: Vortrag

Dienstag, 31. August 2021, 15:45–16:00, H1

Studies and Developments for the PANDA Cluster-Jet Target — •Philipp Brand, Daniel Bonaventura, Hanna Eick, Clara Fischer, Jost Froning, Benjamin Hetz, Niklas Humberg, Christian Mannweiler, Jeremy Runge, Sophia Vestrick, Michael Weide, and Alfons Khoukaz for the PANDA collaboration — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany

The PANDA cluster-jet target will be the Day-1 target for the PANDA experiment at HESR at FAIR. With this device a target thickness of more than 10¹⁵ atoms/cm² is achieved at the interaction point more than 2 m below the nozzle. The cluster-jet is then pumped away using a beam dump which is again more than 2 m below the interaction point. The long and narrow jet pipe in between makes a precise adjustment of the complete target system and the use of various monitor systems at different positions necessary. Therefore, a new beam dump is developed which allows the integration of monitor systems. Additionally, due to the large distances between the vacuum pumps of this 4π detector, it is crucial to understand the complete vacuum system including the source of residual gas. For this purpose, extensive studies and calculations are ongoing. Furthermore, studies on the production of new Laval nozzles and the process of cluster formation are performed. Within this talk, the current and future developments at the PANDA cluster-jet target will be discussed. This project has received funding from BMBF (05P19PMFP1), GSI FuE (MSKHOU1720 and MSKHOU2023) and the EU’s Horizon 2020 programme (824093).