关于微扰QCD中$n$圈修正的渐近估计
高能物理 - 唯象学
2016-08-14 v1
摘要
对最近提出的估计 QCD 微扰理论系数渐近行为的方法进行了批判性评述,并表明该方法包含大量无效的数学运算和未经证实的假设。我们详细讨论了为什么这种仅基于重整化群(RG)考虑和解析性约束的程序无法得出此类估计。我们强调了任何有意义的渐近估计对重整化方案(RS)依赖性的正确性的重要性,并认为对物理量 QCD 微扰展开的无歧义求和需要来自微扰理论本身之外的信息。
引用
@article{arxiv.hep-ph/9210237,
title = {On an asymptotic estimate of the $n$-loop correction in perturbative QCD},
author = {J. Chýla and J. Fischer and P. Kolář},
journal= {arXiv preprint arXiv:hep-ph/9210237},
year = {2016}
}
备注
PRA-HEP-92/17, Latex, 20 pages of text plus 5 figures contained in 5 separate PS files. Four of them (corresponding to Figs.1,2,3,5) are appended at the end of this file, the (somewhat larger one) corresponding to Fig.4 can be obtained from any of the mentioned E-mail addresses upon request. E-mail connections: J. Chyla - [email protected]) or h1kchy@dhhdesy3 P. Kolar - [email protected])