O(ALPHA(8)) SPIN-DEPENDENT WEAK STRUCTURE FUNCTIONS

被引：27

作者：

DEFLORIAN, D ^{[1
]}

SASSOT, R ^{[1
]}

机构：

[1] UNIV BUENOS AIRES, DEPT FIS, RA-1428 BUENOS AIRES, DF, ARGENTINA

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.51.6052

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The complete next to leading logarithmic [O(s)] corrections to the spin-dependent weak deep inelastic structure functions g1, g3, and g4 are calculated using dimensional regularization within the HVBM method. Analyzing the quark- and gluon-initiated contributions to these corrections for different values for the quark masses, a consistent factorization prescription for spin-dependent quark distributions, which safely removes soft contributions, is defined. It is shown that within this scheme, quark-initiated corrections are comparable in magnitude to those of gluonic origin, even though their contributions to the moments are small. © 1995 The American Physical Society.

引用

页码：6052 / 6058

页数：7

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