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QCD correction to sigma(e(+)e(-)-> ZH -> Zb(b)over-bar)
Chang, CS; Li, XQ; Ma, WG; Dai, WS; Chang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
1998
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号30期号:3页码:451-456
摘要We study the QCD corrections to the calculated values of sigma(e(+) e(-) --> ZH --> ZB (b) over bar), and find that for M-H < 100 GeV, the process can be measured at the LEP energy to extract information of Higgs and the QCD corrections are negligible, namely the tree-level calculation is sufficiently accurate for the energy range, while for M-H > 100 GeV the Higgs-involved subprocess can only be investigated at NLC, and then the QCD correction becomes as large as 45%. For M-H > 2m(t), considering the subprocess e(+)e(-) --> ZH --> Zt (t) over bar, the QCD corrections are also important and must be taken into account for the cross section evaluation.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China; Univ Sci & Technol China, Dept Modern Phys, Hefei 230027, Peoples R China
关键词Higgs-boson Decay Quark Mass
学科领域Physics
收录类别SCI
WOS记录号WOS:000077243600026
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12245
专题理论物理所SCI论文
通讯作者Chang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Chang, CS,Li, XQ,Ma, WG,et al. QCD correction to sigma(e(+)e(-)-> ZH -> Zb(b)over-bar)[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1998,30(3):451-456.
APA Chang, CS,Li, XQ,Ma, WG,Dai, WS,&Chang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1998).QCD correction to sigma(e(+)e(-)-> ZH -> Zb(b)over-bar).COMMUNICATIONS IN THEORETICAL PHYSICS,30(3),451-456.
MLA Chang, CS,et al."QCD correction to sigma(e(+)e(-)-> ZH -> Zb(b)over-bar)".COMMUNICATIONS IN THEORETICAL PHYSICS 30.3(1998):451-456.
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