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	Color-octet contributions to P-wave B-c meson hadroproduction
	Chang, CH; Qiao, CF; Wang, JX; Wu, XG; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
刊名	PHYSICAL REVIEW D
	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
ISSN号	0556-2821
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.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000228765400040
公开日期	2012-08-30
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/13853]
专题	理论物理研究所_理论物理所1978-2010年知识产出
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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