PARTON DISTRIBUTIONS FROM W+/- AND Z-PRODUCTION IN POLARIZED PP AND PN COLLISIONS AT RHIC

被引：68

作者：

BOURRELY, C

SOFFER, J

机构：

[1] Centre de Physique Theorique, CNRS-Luminy, F-13288 Marseille Cedex

来源：

NUCLEAR PHYSICS B | 1994年 / 423卷 / 2-3期

基金：

巴西圣保罗研究基金会;

关键词：

D O I：

10.1016/0550-3213(94)90137-6

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：

We study the production of W +/- and Z gauge bosons in proton-proton and proton-neutron collisions up to a center-of-mass energy square-root s = 0.5 TeV, in connection with the realistic possibility of having proton-deuteron collisions at RHIC with a high luminosity. We stress the importance of measuring unpolarized cross sections for a better determination of the flavor asymmetry of the quarks. Since polarized proton beams will be available at RHIC, we evaluate several spin-dependent observables, like double helicity asymmetries A(LL) as a test of the sea quark polarization, double transverse spin asymmetries A(TT) as a practical way to determine a new structure function, the nucleon transversity distribution h1(x), and parity-violating asymmetries A(L) as a further test of our present knowledge of polarized parton distributions.

引用

页码：329 / 348

页数：20

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