介子结构：从非局部凝聚态到 NLO 解析扰动理论
高能物理 - 唯象学
2007-05-23 v1
摘要
一种源自非局部 QCD 求和规则得到的介子分布幅度被用于计算 （采用光锥求和规则）以及 （在 NLO QCD 扰动理论中）。给出了两种可观测量的预测值，与相应数据良好一致。通过将硬介子形式因子置于分析性扰动理论中计算至两环精度，显示了重整子尺度和尺度选择依赖性显著减小。
引用
@article{arxiv.hep-ph/0409176,
title = {Pion structure: from nonlocal condensates to NLO analytic perturbation theory},
author = {N. G. Stefanis and A. P. Bakulev and S. V. Mikhailov and K. Passek-Kumerički and W. Schroers},
journal= {arXiv preprint arXiv:hep-ph/0409176},
year = {2007}
}
备注
9 pages, 4 figures consisting of 6 eps files. Needs hsqcd.cls. Invited plenary talk presented by the first author at Hadron Structure and QCD: from Low to High Energies, St. Petersburg, Repino, Russia, 18-22 May 2004