Structure ofA=10–13Nuclei with Two- Plus Three-Nucleon Interactions from Chiral Effective Field Theory

2007/01/14 by P. Navratil, P. Navrátil, V. G. Gueorguiev +4 · 365 citations
Physics and Astronomy · #Atomic and Molecular Physics #Atomic physics #Binding energy #Hamiltonian (control theory) #Materials science #Nuclear physics research studies #Nucleon #Observable #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Range (aeronautics) #Spectral line #nucl-th

paper · pdf · doi:10.1103/physrevlett.99.042501

published in Physical Review Letters 99(4), 042501 (American Physical Society) · 4 pages, 4 figures

arxiv created 2007/01/14 · openalex publication_date 2007/07/25 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Properties of finite nuclei are evaluated with two-nucleon (NN) and three-nucleon (NNN) interactions derived within chiral effective field theory. The nuclear Hamiltonian is fixed by properties of the A=2 system, except for two low-energy constants (LECs) that parametrize the short range NNN interaction, which we constrain with the A=3 binding energies. We investigate the sensitivity of 4He, 6Li, 10,11B, and 12,13C properties to the variation of the constrained LECs. We identify observables that are sensitive to this variation and find preferred values that give the best overall description. We demonstrate that the NNN interaction terms significantly improve the binding energies and spectra of mid-p-shell nuclei not just with the preferred choice of the LECs but even within a wide range of the constrained LECs. We find that a very high quality description of these nuclei requires further improvements to the chiral Hamiltonian.

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