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Mainz 2022 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 69: Instrumentation XIX

HK 69.6: Talk

Thursday, March 31, 2022, 17:15–17:30, HK-H5

Preparation of the hyperatom studies at PANDAPatrick Achenbach1,2, Sebastian Bleser1, •Michael Bölting1, Josef Pochodzalla1,2, Falk Schupp1, and Marcell Steinen11Helmholtz Institute Mainz, 55099 Mainz — 2Johannes Gutenberg University, 55099 Mainz

The antiproton beam of the HESR at FAIR will allow to produce various hyperon-antihyperon pairs. The dedicated target system of the PANDA hyperatom setup will allow to bind negatively-charged (anti)hyperons and form heavy hyperatoms. First experiments with a 208Pb target aim at studying X-ray transitions of atomically bound Ξ, Σ and possibly even Σ.

The required target system needs to be integrated in the HESR beam pipe and the PANDA target spectrometer. Consequently, it must not only be vacuum-tolerant but also radiation hard and compatible with the present strong magnetic field within PANDA. Within this environment the required redundancy of the target setup can only be achieved by multiple primary targets exchangeable by a system of piezomotors.

In this contribution we will present the final design of the two-staged target system. First tests of the reliability and the precision of the system will be presented.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 824093.

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