重粒子对产生顶点由轻quark引起的两循环修正的解析计算
高能物理 - 唯象学
2009-10-30 v2
摘要
计算来自轻quark的非守恒O(alpha_s^2)修正，对通过向量、轴向、标量和 pseudoscalar电流产生的巨型quark对产生率进行解析计算。结果以轻quark真空极化函数吸收部分矩的形式呈现，这允许立即确定来自其他类型轻粒子的O(alpha_s^2)修正。近似临界运动学 regime 也被考察。
引用
@article{arxiv.hep-ph/9707496,
title = {Analytic Calculation of Two Loop Corrections to Heavy Quark Pair Production Vertices Induced by Light Quarks},
author = {A. H. Hoang and T. Teubner},
journal= {arXiv preprint arXiv:hep-ph/9707496},
year = {2009}
}
备注
38 pages, latex, four postscript figures included, some notational inconsistencies eliminated, misprints in Eqs.(102,124,171,172) corrected, references updated, identical with version printed in Nuclear Physics B