QUANTUM-CHROMODYNAMIC PREDICTIONS FOR INCLUSIVE SPIN-SPIN ASYMMETRIES AT LARGE TRANSVERSE-MOMENTUM

被引:109
作者
BABCOCK, J [1 ]
MONSAY, E [1 ]
SIVERS, D [1 ]
机构
[1] ARGONNE NATL LAB,DIV HIGH ENERGY PHYS,ARGONNE,IL 60439
来源
PHYSICAL REVIEW D | 1979年 / 19卷 / 05期
关键词
D O I
10.1103/PhysRevD.19.1483
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We discuss predictions for the asymmetry ALL in the inclusive production at large pT of charged and neutral pions by longitudinally polarized protons. We work in the framework of a hard-scattering model based on perturbative quantum chromodynamics. Various assumptions for the distribution of the proton's spin among its constituents-quarks, ocean antiquarks, and gluons-and the effects of scaling violations on the parton distributions are considered. © 1979 The American Physical Society.
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页码:1483 / 1502
页数:20
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