Integrated and Unintegrated Parton Distributions

Integrated and Unintegrated Parton Distributions

方洁;阮建红

【期刊名称】《理论物理通讯（英文版）》 【年(卷),期】2011(056)010

【摘要】We compare the twist-2 and twist-4 parton distributions both in integrated and unintegrated parton distributions. We find that when x decreases the difference between the twist-2 and twist-4 patton distributions become obvious except for the valence quark distributions. We hope the future experiments may distinguish whether the twist-4 correction is needed or not and select a reasonable unintegrated parton distribution model 【总页数】8页(695-702)

【关键词】部分子分布;集成;分布模型;价夸克;扭转 【作者】方洁;阮建红

【作者单位】Department of Physics, East China Normal University, Shanghai 200062, China;Department of Physics, East China Normal University, Shanghai 200062, China 【正文语种】中文

【中图分类】O572.24;O211.67 【相关文献】

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