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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
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
语种英语
关键词B-C-MESON FEYNMAN-AMPLITUDES HEAVY QUARKONIUM DECAYS SEARCH SINGULARITIES INTEGRALS
摘要The 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
卷号61期号:3页码:31012
学科领域Physics
学科门类Physics, Multidisciplinary
DOI10.1007/s11433-017-9121-3
收录类别SCIE
引用统计
被引频次:3[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/311006/22953
专题理论物理所科研产出_SCI论文
作者单位1.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
推荐引用方式
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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