极化ρ介子中的夸克分布及其与π介子的比较
高能物理 - 唯象学
2007-05-23 v1
摘要
通过广义QCD求和规则，获得了中等x区域横向和纵向极化ρ介子中的价夸克分布。考虑了高达d=6的幂次修正。π介子和ρ介子结果的比较表明，极化效应非常显著，且分布函数不存在SU(6)对称性。发现纵向极化ρ介子中夸克和胶子海分布受到强烈抑制。
引用
@article{arxiv.hep-ph/0208040,
title = {Quark distributions in polarized rho meson and its comparison with those in pion},
author = {A. G. Oganesian},
journal= {arXiv preprint arXiv:hep-ph/0208040},
year = {2007}
}
备注
Talk presented at NATO Advanced Spin Physics Workshop, Yerevan (June 30-July3), to be published in Nato Science Series II - Physics, 16 pages, LaTeX 2e, 4 eps figures included