Journal
NUCLEAR PHYSICS B
Volume 895, Issue -, Pages 272-287Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2015.04.005
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Funding
- EPSRC [EP/K003453/1]
- EPSRC [EP/K003453/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K003453/1] Funding Source: researchfish
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Nuclear binding energies are investigated in two variants of the Skyrme model: the first replaces the usual Skyrme term with a term that is sixth order in derivatives, and the second includes a potential that is quartic in the pion fields. Solitons in the first model are shown to deviate significantly from ansatze previously assumed in the literature. The binding energies obtained in both models are lower than those obtained from the standard Skyrme model, and those obtained in the second model are close to the experimental values. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
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