U(3)手征微扰理论的最新进展:介子-介子散射与有限能量求和规则
高能物理 - 唯象学
2012-08-03 v1
摘要
我们基于U(3)手征微扰理论中的单圈计算,讨论介子-介子散射和有限能量求和规则(FESR)。首先,我们从幺正化的分波散射振幅中获得相关的共振谱。然后,我们研究在Nc=3的物理情形下FESR能被满足的程度。还给出了关于Nc外推的进一步讨论。
引用
@article{arxiv.1208.0428,
title = {Recent developments in U(3) ChPT: meson-meson scattering and finite energy sum rules},
author = {Zhi-Hui Guo and J. A. Oller and J. Ruiz de Elvira},
journal= {arXiv preprint arXiv:1208.0428},
year = {2012}
}
备注
6 pages, 1 figure. Talk given at Sixth International Conference on Quarks and Nuclear Physics (QNP2012), April 16-20, 2012 Ecole Polytechnique, Palaiseau, Paris, France