COLOR MAGNETIC CORRECTIONS TO QUARK-MODEL VALENCE DISTRIBUTIONS

被引：9

作者：

BENESH, CJ

GOLDMAN, T

STEPHENSON, GJ

机构：

[1] Los Alamos National Laboratory, Los Alamos

来源：

PHYSICAL REVIEW C | 1993年 / 48卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.48.1379

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We calculate order-alpha(s) color magnetic corrections to the valence quark distributions of the proton using the Los Alamos potential model wave functions, The spin-spin interaction breaks the model SU(4) symmetry, providing a natural mechanism for the difference between the up and down distributions. For a value of alpha(s) sufficient to produce the N-DELTA mass splitting, we find up and down quark distributions in reasonable agreement with experiment.

引用

页码：1379 / 1387

页数：9

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