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arXiv 1204.0464hep-phhep-ex
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质量~ 125类Higgs粒子GeV实验约束的整体分析

Global Analysis of Experimental Constraints on a Possible Higgs-Like Particle with Mass ~ 125 GeV

John Ellis, Tevong You

摘要:

我们进行了一个可能的希格斯粒子的质量~ 125 GeV的ATLAS,CDF,CMS和D 0实验提供的约束条件的全球分析。我们结合了现有的限制可能偏离标准模型希格斯耦合到大质量矢量玻色子和费米子,也考虑到非标准的环诱导耦合的可能性光子和胶子对。我们分析了组合的约束条件,在一些其他的情况下,可能的新粒子被确定为一个pseudo-Nambu-Goldstone玻色子在一个复合电弱破玻色子部门。

英文摘要:

We perform a global analysis of the constraints on a possible Higgs-like particle with mass ~ 125 GeV that are provided by the ATLAS, CDF, CMS and D0 experiments. We combine the available constraints on possible deviations from the Standard Model Higgs couplings to massive vector bosons and to fermions, considering also the possibilities of non-standard loop-induced couplings to photon and gluon pairs. We analyze the combined constraints on pseudo-dilaton scenarios and on some other scenarios in which the possible new particle is identified as a pseudo-Nambu-Goldstone boson in a composite electroweak symmetry-breaking sector.

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