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题名: Estimate of the hadronic production of the doubly charmed baryon Xi(cc) in the general-mass variable-flavor-number scheme
作者: Chang, CH ;  Qiao, CF ;  Wang, JX ;  Wu, XG
刊名: PHYSICAL REVIEW D
出版日期: 2006
卷号: 73, 期号:9, 页码:-
关键词: 2 HEAVY QUARKS ;  INTRINSIC CHARM ;  BARYONS ;  LEPTOPRODUCTION ;  TEVATRON ;  ENERGIES ;  BCVEGPY ;  STATES ;  MODEL
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: To try to understand the experimental observation of SELEX Collaboration and to check the existent results in literature, we have done a theoretical investigation on hadronic production of the doubly charmed baryon Xi(cc) (Xi(++)(cc) or Xi(+)(cc)) under the general-mass variable-flavor-number (GM-VFN) scheme. A similar study of the production at LHC and TEVATRON is also performed. The production here is realized via production of a binding diquark either (cc)[S-3(1)]((3) over bar) (in configuration S-wave and in color (3) over bar) or (cc)[S-1(0)](6) (in configuration S-wave and in color 6) instead of only the diquark (cc)[S-3(1)]((3) over bar) is considered. Numerical results show that the production via each configuration of the diquark is comparable at LHC and TEVATRON under the condition that the NRQCD matrix elements relevant to the diquark production are assumed approximately to be equal to each other; and the contributions from collision of a so-called "extrinsic" charm and a gluon inside the colliding hadrons are comparable with, or even greater than, those from the so-called gluon-gluon fusion, especially, in the region of small transverse-momentum p(t). We also note that due to the contributions from the "extrinsic" charm, the theoretical prediction on the production of the baryon Xi(cc) is raised by one order in comparison with the existent predictions almost.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000237950900038
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5993
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. Estimate of the hadronic production of the doubly charmed baryon Xi(cc) in the general-mass variable-flavor-number scheme[J]. PHYSICAL REVIEW D,2006,73(9):-.
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