RADIATIVELY GENERATED PARTON DISTRIBUTIONS FOR HIGH-ENERGY COLLISIONS

被引：304

作者：

GLUCK, M

REYA, E

VOGT, A

机构：

[1] Institut für Physik, Universität Dortmund, Dortmund 50

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1990年 / 48卷 / 03期

关键词：

D O I：

10.1007/BF01572029

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The gluon and antiquark distributions of the nucleon are generated radiatively using the assumption that at some low resolution scale the nucleon consists entirely of valence quarks and valence-like gluons. The agreement between the uniquely predicted gluon and sea distributions and the available data on deep inelastic structure functions (including also recent low-Q2 measurements) and direct-photon production is demonstrated and discussed in detail. Simple parametrizations of the resulting (positive definite!) parton distributions are presented in the range 10-4≲x≦1 and 0.2≲Q2≲106 GeV2 as obtained according to the leading- and higher-order renormalization group evolution equations. © 1990 Springer-Verlag.

引用

页码：471 / 482

页数：12

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