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arXiv 1504.07919hep-ph
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希格斯耦合和BSM物理学:运行I遗留约束

Higgs couplings and BSM physics: Run I Legacy constraints

Jean-Baptiste Flament

摘要:

我们认为希格斯玻色子衰变过程及其生产,包括所有运行I的结果,通过一个参数化量身定制的测试模型的新物理超越标准模型,并补充一个使用的大型强子对撞机工作组。不同的形式主义允许最好地解决希格斯玻色子物理学的不同方面。特定参数化的选择取决于可用实验数据的数量和质量之间的非明显平衡,参数化的预期目的和模型独立性的程度,辐射校正的重要性,以及新粒子在物理光谱中显式出现的尺度。目前,最精确的约束只能通过实验合作来获得,因为关于不同衰变模式的各种不确定性之间的相关性的信息在公共领域中并不完全可用。因此,重要的是要考虑不同的方法,并提供最详细的信息,以便能够测试希格斯玻色子物理学的不同方面和标准模型之外的物理学可能的暗示。

英文摘要:

We consider the Higgs boson decay processes and its production including all Run I results, through a parametrisation tailored for testing models of new physics beyond the Standard Model, and complementary to the one used by the LHC working groups. Different formalisms allow to best address different aspects of the Higgs boson physics. The choice of a particular parametrisation depends on a non-obvious balance of quantity and quality of the available experimental data, envisaged purpose for the parametrisation and degree of model independence, importance of the radiative corrections, and scale at which new particles appear explicitly in the physical spectrum. The most refined constraints can only be obtained by the experimental collaborations at present, as information about correlation between the various uncertainties on the different decay modes is not completely available in the public domain. It is therefore important that different approaches are considered and that the most detailed information is made available to allow testing the different aspects of the Higgs boson physics and the possible hints of physics beyond the Standard Model.

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