THE PERTURBATIVE QCD PREDICTION TO R-TAU REVISITED

被引：303

作者：

LEDIBERDER, F ^{[1
]}

PICH, A ^{[1
]}

机构：

[1] CERN,DIV THEORET PHYS,CH-1211 GENEVA 23,SWITZERLAND

来源：

PHYSICS LETTERS B | 1992年 / 286卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(92)90172-Z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The perturbative QCD prediction to the total hadronic width of the tau lepton is re-examined. A more convergent perturbative expansion is proposed, which is associated with a smaller renormalization-scheme dependence and better-defined higher-order uncertainties.

引用

收藏

页码：147 / 152

页数：6

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