SMuK 2023 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 19: Nuclear Astrophysics II
HK 19.2: Vortrag
Dienstag, 21. März 2023, 17:30–17:45, SCH/A419
Nuclear equation of state from Δ-full chiral interactions — •Yannick Dietz1,2, Jonas Keller1,2, Kai Hebeler1,2,3, and Achim Schwenk1,2,3 — 1Technische Universität Darmstadt, Department of Physics — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH — 3Max-Planck-Institut für Kernphysik, Heidelberg
We report results for infinite homogeneous nuclear matter calculations for the energy per particle at zero temperature using a set of recently developed Δ-full interactions based on chiral effective field theory that exhibit smaller chiral uncertainties compared to previous calculations using Δ-less potentials. Our computations are carried out in many-body perturbation theory, where we include contributions from nucleon-nucleon forces up to third and three-nucleon forces up second order.
Funded by the ERC Grant Agreement No. 101020842 and by the DFG – Project-ID 279384907 – SFB 1245.