使用Clover费米子作用的格点重子质量计算
核理论
2012-08-27 v1
摘要
我们给出了QCD淬火近似下最低态重子质量的计算。计算采用非微扰改进的clover费米子作用，发现核子及其宇称伙伴之间存在质量劈裂。对核子第一径向激发态质量的分析发现其值远大于核子的宇称伙伴，因此几乎没有证据表明Roper共振是简单的三夸克态。
引用
@article{arxiv.nucl-th/0206049,
title = {Lattice Calculation of Baryon Masses using the Clover Fermion Action},
author = {LHPC Collaboration and D. G. Richards and QCDSF Collaboration and : and M. Gockeler and R. Horsley and D. Pleiter and P. E. L. Rakow and G. Schierholz and UKQCD Collaboration and : and C. M. Maynard},
journal= {arXiv preprint arXiv:nucl-th/0206049},
year = {2012}
}
备注
4 pages, 3 figures, uses ws-p8-50x6-00.cls. Talk presented at Baryons 2002, Jefferson Laboratory, Newport News, VA, USA, 3rd to 8th March, 2002, proceedings to be published by World Scientific