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题名: Color-octet contributions to P-wave B-c meson hadroproduction
作者: Chang, CH ;  Qiao, CF ;  Wang, JX ;  Wu, XG
刊名: PHYSICAL REVIEW D
出版日期: 2005
卷号: 71, 期号:7, 页码:-
关键词: QCD FRAGMENTATION FUNCTIONS ;  HADRONIC PRODUCTION ;  S-WAVE ;  QUARK FRAGMENTATION ;  HEAVY QUARKONIUM ;  CHARM ;  TEVATRON ;  STATES ;  LHC
学科分类: Physics
通讯作者: Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Inst High Energy Phys, Beijing 100049, Peoples R China; Chinese Acad Sci, Grad Sch, Dept Phys, Beijing 100049, Peoples R China
英文摘要: The contributions from the color-octet components |(c (b) over bar)(8)(S-1(0))g > and |(c (b) over bar)(8)(S-3(1))g > to the h(Bc) or chi(Bc)(J) (the P-wave B-c meson) hadroproduction are estimated in terms of the complete O(alpha(s)(4)) calculation. As necessary inputs in the estimate, we take the values of the octet matrix elements according to the nonrelativistic quantum chromodynamics scaling rules, and as a result, we have found that the contributions to the P-wave production may be the same in order of magnitude as those from the color-singlet ones, |(c (b) over bar)(1)(P-1(1))> and |(c (b) over bar)(1)(P-3(J))> (J=1,2,3). Especially, our result indicates that the observation of the color-octet contributions to the P-wave production in the low transverse momentum region is not very far from the present experimental capability at Tevatron and LHC.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000228765400040
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13853
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chang, CH,Qiao, CF,Wang, JX,et al. Color-octet contributions to P-wave B-c meson hadroproduction[J]. PHYSICAL REVIEW D,2005,71(7):-.
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