两环 ChPT 计算与 current algebra 的单元化计划
高能物理 - 唯象学
2009-10-30 v1
摘要
本文比较了两环 Chiral Perturbation Theory（ChPT）对 pions 间散射的计算，与 current algebra soft-pion 定理的单元化第二阶修正。我们证明，两种方法都导致散射振幅相同的解析结构。
引用
@article{arxiv.hep-ph/9707394,
title = {Two loops calculation in chiral perturbation theory and the unitarization program of current algebra},
author = {J. Sá Borges and J. Soares Barbosa and M. D. Tonasse},
journal= {arXiv preprint arXiv:hep-ph/9707394},
year = {2009}
}
备注
13 pages, Revtex 3.0, no figures, submitted to Phys. Lett. B