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arXiv 1202.1075hep-ph
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光子-光子对撞机上单个希格斯玻色子的产生:2 HDM/ MSSM比较

Single Higgs boson production at a photon-photon collider: a 2HDM/MSSM comparison

David Lopez-Val

摘要:

我们考虑在光子对撞机上由光子-光子直接散射产生的单希格斯玻色子玻色子。在一般双希格斯偶态模型(2 HDM)和最小超对称标准模型(MSSM)下,对有效$hγγ$耦合的总截面和相对强度进行了专门的分析.我们系统地调查在参数空间的代表性区域,在与带来的最新的理论和唯象的限制,并获得生产率高达$10^4$希格斯玻色子事件每$500 fb^{-1}$的积分亮度。我们确定商标的不同$γγ\to h$通道的现象学配置文件,并将其追溯到这些模型的特征的独特的动力学特征-最重要的是,在一般的2 HDM的希格斯自相互作用的增强潜力。我们的结果的结果说明了$γγ$ -物理的可能性,并强调了线性对撞机的相关性的希格斯玻色子研究计划。

英文摘要:

We consider the loop-induced production of a single Higgs boson from direct photon-photon scattering at a photon collider. A dedicated analysis of the total cross section and the relative strength of the effective $hγγ$ coupling is carried out within the general Two-Higgs-Doublet Model (2HDM) and the Minimal Supersymmetric Standard Model (MSSM). We systematically survey representative regions over the parameter space, in full agreement with brought-to-date theoretical and phenomenological restrictions, and obtain production rates up to $10^4$ Higgs boson events per $500 fb^{-1}$ of integrated luminosity. We identify trademark phenomenological profiles for the different $γγ\to h$ channels and trace them back to the distinctive dynamical features characterizing each of these models -- most significantly, the enhancement potential of the Higgs self-interactions in the general 2HDM. The upshot of our results illustrates the possibilities of $γγ$-physics and emphasizes the relevance of linear colliders for the Higgs boson research program.

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