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题名: Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons
作者: Chang, CH ;  Qiao, CF ;  Wang, JX ;  Wu, XG
刊名: PHYSICAL REVIEW D
出版日期: 2005
卷号: 72, 期号:11, 页码:-
关键词: B-C MESON ;  P-WAVE STATES ;  NEUTRAL-CURRENT ;  S-WAVE ;  CHARM ;  TEVATRON ;  ENERGIES ;  LEPTOPRODUCTION
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; Chinese Acad Sci, Grad Sch, Dept Phys, Beijing 100049, Peoples R China; Inst High Energy Phys, Beijing 100049, Peoples R China
英文摘要: In the general-mass variable-flavor-number scheme, the "heavy-quark mechanisms" of B-c(B-c(*)) meson hadroproduction via the subprocesses g+c -> B-c(B-c(*))+center dot and g+(b) over bar -> B-c(B-c(*))+center dot are investigated. In the scheme, possible double counting from these mechanisms and the "light mechanisms" (the gluon-gluon fusion and quark-antiquark annihilation mechanisms) is subtracted properly. The numerical results show that the transverse-momentum, p(t), distribution of the produced B-c(B-c(*)) from the "intrinsic heavy-quark mechanisms" (i.e. the heavy-quark mechanisms in which the double-counting components have been subtracted accordingly) declines faster with the increment of the p(t) than that from the light mechanisms, and only in the small p(t) region (p(t)less than or similar to 7.0 GeV) the intrinsic heavy-quark mechanisms themselves may make remarkable contributions. The combined contributions from the intrinsic heavy-quark mechanisms and the light mechanisms to the production are compared with that obtained by most of the calculations in the literature, which in some sense are within the fixed flavor number scheme at leading order, and we find that the production by virtue of the general-mass variable-flavor-number scheme is more or less the same as the one in the literature, except in the small p(t) region.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000234274400016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13713
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. Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons[J]. PHYSICAL REVIEW D,2005,72(11):-.
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