RADIATIVE PARTON MODEL ANALYSIS OF POLARIZED DEEP-INELASTIC LEPTON NUCLEON-SCATTERING

被引：53

作者：

GLUCK, M ^{[1
]}

REYA, E ^{[1
]}

VOGELSANG, W ^{[1
]}

机构：

[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

来源：

PHYSICS LETTERS B | 1995年 / 359卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(95)01061-T

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A leading order QCD analysis of spin asymmetries in polarized deep inelastic lepton nucleon scattering is presented within the framework of the radiative parton model. Two resulting sets of plausible leading order spin dependent parton distributions are presented, respecting the fundamental positivity constraints down to the low resolution scale Q(2) = mu(LO)(2) = 0.23 GeV2. The Q(2) dependence of the spin asymmetries A(1)(p,n,d)(x, Q(2)) is investigated in the range 1 less than or equal to Q(2) less than or equal to 20 GeV2 and shown to be non-negligible for x-values relevant for the analysis of present data and possibly forthcoming data at HERA.

引用

页码：201 / 209

页数：9

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