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Chang, CH; Qiao, CF; Wang, JX; Wu, XG; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
Color-octet contributions to P-wave B-c meson hadroproduction
发表期刊PHYSICAL REVIEW D
关键词Qcd Fragmentation Functions Hadronic Production S-wave Quark Fragmentation Heavy Quarkonium Charm Tevatron States Lhc
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.
2005
ISSN0556-2821
卷号71期号:7页码:-
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13853
专题理论物理所科研产出_SCI论文
通讯作者Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
推荐引用方式
GB/T 7714
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):-.
APA Chang, CH,Qiao, CF,Wang, JX,Wu, XG,&Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(2005).Color-octet contributions to P-wave B-c meson hadroproduction.PHYSICAL REVIEW D,71(7),-.
MLA Chang, CH,et al."Color-octet contributions to P-wave B-c meson hadroproduction".PHYSICAL REVIEW D 71.7(2005):-.
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