π-核子散射的交叉对称势模型
核理论
2015-05-18 v1
摘要
通过将两个外接π介子完全附着于底层 πN 势模型的修饰核子传播子上，构造了交叉对称的 πN 散射振幅。我们的公式还自动给出了交叉对称且规范不变的π介子光生和康普顿散射振幅的表达式。我们证明了，如果我们的振幅在壳上与通过将一个π介子附着于同一势模型的修饰 πNN 顶点所获得的振幅一致，则它们是幺正的。
引用
@article{arxiv.1004.5558,
title = {Crossing symmetric potential model of pion-nucleon scattering},
author = {B. Blankleider and A. N. Kvinikhidze and T. Skawronski},
journal= {arXiv preprint arXiv:1004.5558},
year = {2015}
}
备注
6 pages, 2 figures; contribution to the proceedings of "Achievements and New Directions in Subatomic Physics: Workshop in Honour of Tony Thomas's 60th Birthday", Special Centre for the Subatomic Structure of Matter, Adelaide, South Australia, February 15 - February 19, 2010.