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QCD corrections to J/psi production via color-octet states at the Tevatron and LHC
Gong B(龚斌); Wang JX(王建雄); Gong, B; Li, XQ; Wang, JX
2009
发表期刊PHYSICS LETTERS B
卷号673期号:3页码:#REF!
通讯作者Wang, JX (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China.
文章类型Article
摘要The Next-To-Leading-Order (NLO) QCD corrections to J/psi production via S-wave color-octet states at the Tevatron and LHC are calculated. There are only slight changes to the transverse momentum p(t) distributions of J/psi production and polarization. By fitting the pt distribution of J/psi production measured at Tevatron with both color-singlet and color-octet included, we obtain the color-octet matrix elements at NLO. The resulting p, distribution of J/psi polarization still does not coincide with the experimental data. Therefore, we have reached the conclusion that the large discrepancy of J/psi polarization between theory and experimental data cannot be solved by just including NLO corrections within non-relativistic QCD framework and then one has to explore solution from different angles. (C) 2009 Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2009.02.026
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000264790700005
引用统计
被引频次:65[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226870
专题理论物理室
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Gong B,Wang JX,Gong, B,et al. QCD corrections to J/psi production via color-octet states at the Tevatron and LHC[J]. PHYSICS LETTERS B,2009,673(3):#REF!.
APA 龚斌,王建雄,Gong, B,Li, XQ,&Wang, JX.(2009).QCD corrections to J/psi production via color-octet states at the Tevatron and LHC.PHYSICS LETTERS B,673(3),#REF!.
MLA 龚斌,et al."QCD corrections to J/psi production via color-octet states at the Tevatron and LHC".PHYSICS LETTERS B 673.3(2009):#REF!.
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