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Gießen 2024 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 31: Nuclear Astrophysics II

HK 31.4: Vortrag

Dienstag, 12. März 2024, 18:30–18:45, HBR 19: C 103

Nuclear Matter Equation of State from Delta-full Chiral Interactions — •Yannick Dietz1,2, Jonas Keller1,2, Kai Hebeler1,2,3, and Achim Schwenk1,2,31Technische 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 and pressure at zero and finite temperature using Delta-full interactions based on chiral effective field theory. Our computations are carried out in many-body perturbation theory, where we include nucleon-nucleon and three-nucleon forces up to third order. Our results at zero temperature are consistent with previous studies of the equation of state based on Delta-less chiral potentials and lead to an improved convergence of uncertainty of the energy per particle.

This work was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) - Project-ID 279384907 - SFB 1245.

Keywords: Nuclear Matter; Equation of State; Chiral Effective Field Theory

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