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Accurate bulk properties of nuclei from $A = 2$ to $\infty$ from potentials with $\Delta$ isobars

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arxiv 2006.16774 v2 pith:57BZMQ5U submitted 2020-06-30 nucl-th

W.G. Jiang , A. Ekström , C. Forssén , G. Hagen , G.R. Jansen , T. Papenbrock This is my paper
classification nucl-th
keywords accuratenucleardeltaenergiesinteractionsmatternucleipotentials
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abstract

We optimize $\Delta$-full nuclear interactions from chiral effective field theory. The low-energy constants of the contact potentials are constrained by two-body scattering phase shifts, and by properties of bound-state of $A=2$ to $4$ nucleon systems and nuclear matter. The pion-nucleon couplings are taken from a Roy-Steiner analysis. The resulting interactions yield accurate binding energies and radii for a range of nuclei from $A=16$ to $A=132$, and provide accurate equations of state for nuclear matter and realistic symmetry energies. Selected excited states are also in agreement with data.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Constructing Effective Interactions via Projection-Based Inversion

    nucl-th 2026-08 conditional novelty 6.0 of 10

    Discrete energy levels from truncated many-body calculations are inverted, via a Multiparameter Eigenvalue Problem emulator, into effective contact interactions that yield scattering phase shifts and resonance predictions.

  2. From bare two-nucleon interaction to nuclear matter and finite nuclei in a relativistic framework

    nucl-th 2025-07 conditional novelty 6.0 of 10

    A leading-order relativistic chiral two-nucleon force, with four constants fit to scattering data, describes nuclear matter saturation and medium-mass nuclei binding energies and radii without three-nucleon forces.

  3. Reduction in nuclear size and quadrupole deformation of high-spin isomers of 127,129In

    nucl-ex 2025-05 accept novelty 6.0 of 10

    High-spin isomers in neutron-rich indium isotopes have smaller charge radii than their ground states, with 129In showing a three times larger reduction than 127In, a pattern no current nuclear model reproduces.

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