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Estimate of the hadronic production of the doubly charmed baryon Xi(cc) in the general-mass variable-flavor-number scheme
Chang, CH; Qiao, CF; Wang, JX; Wu, XG; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
2006
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号73期号:9页码:-
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.
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
关键词2 Heavy Quarks Intrinsic Charm Baryons Leptoproduction Tevatron Energies Bcvegpy States Model
学科领域Physics
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收录类别SCI
WOS记录号WOS:000237950900038
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被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5993
专题理论物理所SCI论文
通讯作者Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
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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):-.
APA Chang, CH,Qiao, CF,Wang, JX,Wu, XG,&Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).Estimate of the hadronic production of the doubly charmed baryon Xi(cc) in the general-mass variable-flavor-number scheme.PHYSICAL REVIEW D,73(9),-.
MLA Chang, CH,et al."Estimate of the hadronic production of the doubly charmed baryon Xi(cc) in the general-mass variable-flavor-number scheme".PHYSICAL REVIEW D 73.9(2006):-.
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