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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Structure and Dynamics of Nuclei VI

HK 27.7: Talk

Wednesday, April 1, 2020, 15:45–16:00, J-HS H

Electromagnetic currents from chiral EFT in few-nucleon systems — •Rodric Seutin1,2,3, Sebastian König1,2, Kai Hebeler1,2, and Achim Schwenk1,2,31Institut für Kernphysik, Technische Universität Darmstadt — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH — 3Max-Planck-Institut für Kernphysik, Heidelberg

Using chiral EFT one is able to construct current operators at the one- and two-body level as they provide important contributions to observables. For example, a significant part of magnetic observables comes from two-body current contributions. We discuss the development of electromagnetic currents in few-nucleon systems and their applications to electromagnetic form factors, radii, and magnetic moments. All results are obtained by using chiral nucleon-nucleon plus three-nucleon interactions combined with current operators at the one- and two-body level. In particular, we study results for 3H and 3He and explore the theoretical uncertainties.

* This work is supported by the IMPRS-PTFS and the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) - Projektnummer 279384907 - SFB 1245.

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