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Erlangen 2022 – scientific programme

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MS: Fachverband Massenspektrometrie

MS 6: New Developments

MS 6.1: Invited Talk

Wednesday, March 16, 2022, 14:00–14:30, MS-H9

PUMA: nuclear structure with low-energy antiprotons — •Alexandre Obertelli — Technische Universität Darmstadt

Nuclear halos are a fascinating manifestation of quantum physics. They belong to a subset of low-density clustering for which most of the probability to find the halo nucleon extends to a region of space that is classically forbidden. Their properties show universal aspects of few-body systems such as scaling laws. Advances in the production of radioactive isotope beams give access to loosely-bound neutron-rich systems at the nuclear driplines, where halos are found.

Low-energy antiprotons offer a very unique sensitivity to the neutron and proton densities in the tail of the nuclear density. Such studies with stable nuclei at ELENA, CERN, and with short-lived nuclei at ISOLDE, CERN, are the motivation of the recently-accepted experiment PUMA (antiProton Unstable Matter Annihilation). The concept, sensitivity and status of the experiment will be introduced.

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