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Zheng, XC; Chang, CH; Feng, TF; Pan, Z1
NLO QCD corrections to B-c(B-c*) production around the Z pole at an e(+)e(-) collider
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordB-C-MESON FEYNMAN-AMPLITUDES HEAVY QUARKONIUM DECAYS SEARCH SINGULARITIES INTEGRALS
AbstractThe production of B-c and B-c* mesons at a Z-factory (an e(+)e(-) collider operating at energies around the Z pole) is calculated up to the next-to-leading order (NLO) QCD accuracy. The results show that the dependence of the total cross sections on the renormalization scale it is suppressed by the corrections, and the NLO corrections enhance the total cross sections of B-c by 52% and of B-c* by 33% when the renormalization scale is taken at mu = 2m(b). To observe the various behaviors of the production of the mesons B-c and B-c*, such as the differential cross section vs. the out-going angle, the forward-backward asymmetry, and the distribution vs. the energy fraction z up to NLO QCD accuracy as well as the relevant K-factor (NLO to LO) for the production, are calculated, and it is pointed out that some of the observables obtained in the present work may be used as a specific precision test of the standard model.
2018
ISSN1674-7348
Volume61Issue:3Pages:31012
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1007/s11433-017-9121-3
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22953
Collection理论物理所科研产出_SCI论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.China Ctr Adv Sci & Technol, World Lab, Beijing 100190, Peoples R China
4.Hebei Univ, Dept Phys, Baoding 071002, Peoples R China
Recommended Citation
GB/T 7714
Zheng, XC,Chang, CH,Feng, TF,et al. NLO QCD corrections to B-c(B-c*) production around the Z pole at an e(+)e(-) collider[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2018,61(3):31012.
APA Zheng, XC,Chang, CH,Feng, TF,&Pan, Z.(2018).NLO QCD corrections to B-c(B-c*) production around the Z pole at an e(+)e(-) collider.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,61(3),31012.
MLA Zheng, XC,et al."NLO QCD corrections to B-c(B-c*) production around the Z pole at an e(+)e(-) collider".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 61.3(2018):31012.
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