To complement our discussion this week finish reading chap . 3 and read chap . 4 . more detail on radiative corrections can be found in the physics reports found at slac - pub - 6263 - - heavy quark symmetry 7结束阅读第三章并阅读第四章以补充本周课上的讨论。关于辐射修正的更详细内容可以在slac - pub - 6263重夸克对称性找到。