发表机构
University of Idaho（爱达荷大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
该研究针对N4LO接触三核力，发现未拟合氚核的接触强度与核、中子物质能量不兼容，进而重新探讨cD、cE耦合在核物质与原子核中的作用。
AI 中文摘要
我们研究以密度依赖势形式表达的N4LO接触三核力。文献[1]中，从核子-氘（nd）散射可观测量提取了必要的耦合常数（共13个，含领先三核力中出现的2个）。通过三核子连续谱得到的接触强度，因未对氚核进行拟合，似乎与核物质及中子物质的能量不兼容。我们借此机会重新探讨领先三核力的cD、cE耦合在核物质与原子核中的作用。
英文摘要
We examine the contact three-nucleon force at N4LO expressed as a density dependent potential. In Ref. [1], the necessary couplings (13, including two that appear in the leading three-nucleon force), were extracted from nd scattering observables. The contact strengths obtained through the three-nucleon continuum, without fits to the triton, seem incompatible with the energy of nuclear and neutron matter. We take the opportunity to revisit the role of the cD, cE couplings of the leading three-nucleon force in nuclear matter and nuclei. We close with a discussion about recent fittings of three-nucleon scattering observables using a spectroscopic basis for the subleading contact three-nucleon force.
CommentsSection V has been added, with a discussion about arXiv:2607.26958 and arXiv:2601.19033. 10 pages, 6 figures
