轻夸克线性 sigma模型中的对称性与模糊性
高能物理 - 唯象学
2015-06-25 v4
摘要
我们研究了辐射修正生成的不确定有限贡献在 SU(2)\times SU(2) 线性 sigma 模型中带有轻夸克时的作用。虽然其中一些项可以通过重整化过程吸收，但有一个贡献被保留在 pion decay constant 的表达式中。这种任意性由手性对称性消除。
引用
@article{arxiv.hep-ph/0503245,
title = {Symmetries and Ambiguities in the linear sigma model with light quarks},
author = {E. W. Dias and Brigitte Hiller and A. L. Mota and M. C. Nemes and M. Sampaio and A. A. Osipov},
journal= {arXiv preprint arXiv:hep-ph/0503245},
year = {2015}
}
备注
9 pages. Added references through the text; an author was added due to an important contribution; corrected typos; the title also was changed. Submitted to Modern Physics Letters