中文

基于格点QCD的连续极限与物理质量极限下核子横向分布

高能物理 - 格点 2023-02-27 v2

摘要

我们报道了利用大动量有效理论在连续极限与物理质量极限下对质子同位旋矢量夸克横向分布所进行的最先进的格点QCD计算。计算在四种格点间距 a={0.098,0.085,0.064,0.049}a=\{0.098,0.085,0.064,0.049\}~fm 与介于 220220350350 MeV 之间的多种介子质量下完成,质子动量最高达 2.82.8 GeV。结果在具有自重整化的混合方案中进行了非微扰重整化,该方案妥善处理了大关联距离下的红外物理,并被外推至连续极限、物理质量极限与无穷动量极限。我们还与近期关于核子同位旋矢量夸克横向分布的全局分析进行了比较。

关键词

引用

@article{arxiv.2208.08008,
  title  = {Nucleon Transversity Distribution in the Continuum and Physical Mass Limit from Lattice QCD},
  author = {Fei Yao and Lisa Walter and Jiunn-Wei Chen and Jun Hua and Xiangdong Ji and Luchang Jin and Sebastian Lahrtz and Lingquan Ma and Protick Mohanta and Andreas Schäfer and Hai-Tao Shu and Yushan Su and Peng Sun and Xiaonu Xiong and Yi-Bo Yang and Jian-Hui Zhang},
  journal= {arXiv preprint arXiv:2208.08008},
  year   = {2023}
}

备注

16 pages, 18 figures, 2 tables