Köln 2025 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 24: Invited Talks I

HK 24.1: Hauptvortrag

Mittwoch, 12. März 2025, 11:00–11:30, Kurt-Alder HS Chemie

PUMA: low-energy nuclear physics with antiprotons — •Alexandre Obertelli — TU Darmstadt, Darmstadt, Germany

The antiProton Unstable Matter Annihilation (PUMA) experiment aims at investigating the neutron skin of stable and radioactive nuclei by use of antiproton-nucleus annihilation. The experiment, approved in 2021 at CERN, will collect antiprotons from the ELENA low-energy ring of the Antimatter Factory before transporting them in a compact particle trap to the ISOLDE radioactive ion beam facility, located a few hundred meters away. At ISOLDE, the particle trap will be connected to the low-energy radioactive ion beam line to receive short-lived rare nuclei. The annihilation between matter and antimatter will occur inside the particle trap, which is surrounded by particle detectors to detect and reconstruct annihilation events. Future perspectives to produce hypernuclei from low-energy antiproton annihilations at the Antimatter Factory of CERN and to investigate their structure will be introduced.