基于扭曲质量格点QCD的核子电磁形状因子
高能物理 - 格点
2015-01-08 v1
摘要
介绍了使用扭曲质量费米子组态计算核子电磁形状因子的结果。这些包括一个由两简并轻夸克模拟的规范场系综,产生约130 MeV的介子质量,以及两个包含海中的奇异和粲夸克的系综,产生210 MeV和373 MeV的介子质量。讨论了所使用的方法和系统误差的细节,例如噪声降低技术和激发态污染效应。
引用
@article{arxiv.1501.01480,
title = {Nucleon electromagnetic form factors from twisted mass lattice QCD},
author = {Abdou Abdel-Rehim and Constantia Alexandrou and Martha Constantinou and Kyriakos Hadjiyiannakou and Karl Jansen and Giannis Koutsou},
journal= {arXiv preprint arXiv:1501.01480},
year = {2015}
}
备注
Conference Proceedings, 7 pages, 8 figures. Talk presented at the 32nd International Symposium on Lattice Field Theory (LATTICE 2014), 23-28 June, 2014, Columbia University New York, NY