SAMOP 2023 – wissenschaftliches Programm

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SYHC: Symposium Precision Physics with Highly Charged Ions

SYHC 1: Highly Charged Ions for Atomic, Nuclear and Astrophysics

SYHC 1.3: Hauptvortrag

Montag, 6. März 2023, 12:00–12:30, E415

Indirect measurements of neutron-induced reaction cross-sections at heavy-ion storage rings — •Beatriz Jurado — LP2i, Bordeaux, France

Obtaining reliable cross sections for neutron-induced reactions on unstable nuclei nuclei is crucial to our understanding of the stellar nucleosynthesis of heavy elements and for applications in nuclear technology. However, the measurement of these cross sections is very complicated, or even impossible, due to the radioactivity of the targets involved. The NECTAR (Nuclear rEaCTions At storage Rings) project aims to circumvent this problem by using the surrogate-reaction method in inverse kinematics at heavy-ion storage rings, which offer unique and largely unexplored possibilities for the study of nuclear reactions. In this talk, I will present the setup and the new methodology, which we are developing within NECTAR to perform high-precision surrogate-reaction experiments at the heavy-ion storage rings of the GSI/FAIR facility. In particular, I will present the first results of the proof of principle experiment, which we successfully conducted in June 2022 at the ESR storage ring of GSI/FAIR.

Acknowledgement: This work is supported by the European Research Council (ERC) under the European Union Horizon 2020 research and innovation program (ERC-Advanced grant NECTAR, grant agreement No 884715).