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题名: QCD correction to sigma(e(+)e(-)-> ZH -> Zb(b)over-bar)
作者: Chang, CS ;  Li, XQ ;  Ma, WG ;  Dai, WS
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1998
卷号: 30, 期号:3, 页码:451-456
关键词: HIGGS-BOSON ;  DECAY ;  QUARK ;  MASS
学科分类: Physics
通讯作者: Chang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
WOS记录号: WOS:000077243600026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12245
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, 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.
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