PARTON DISTRIBUTION BEYOND THE LEADING ORDER

被引：3

作者：

CHYLA, J

机构：

[1] Institute of Physics, Academy of Sciences of the Czech Republic, Prague

[2] 180 40 Prague 8

来源：

PHYSICAL REVIEW D | 1993年 / 48卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.48.4385

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The importance of properly taking into account the factorization scheme dependence of parton distribution functions is emphasized. A serious error in the usual handling of this topic is pointed out and the correct procedure for transforming parton distribution functions from one factorization scheme to another recalled. It is shown that the conventional MSBAR and DIS definitions thereof are ill defined due to the lack of distinction between the factorization scheme dependence of parton distribution functions and renormalization scheme dependence of the strong coupling constant alpha(s). A novel definition of parton distribution functions is suggested and its role in the construction of consistent next-to-leading-order event generators briefly outlined.

引用

页码：4385 / 4391

页数：7

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