论文标题

Higgs属性和超对称性:从LHC到$ E^+E^ - $ collider的约束和灵敏度

Higgs Properties and Supersymmetry: Constraints and Sensitivity from the LHC to an $e^+e^-$ Collider

论文作者

Arbey, A., Battaglia, M., Djouadi, A., Mahmoudi, F., Muhlleitner, M., Spira, M.

论文摘要

对Higgs玻色子属性的研究提供了令人信服的观点,可以测试超出标准模型以外的物理作用,并对LHC计划和未来的乘客具有深远的影响。希格斯玻色属性的准确确定可以为我们提供希格斯扇区的独特精确图像,设置紧密的边界并预测新物理模型参数值的范围。在本文中,我们讨论了对超对称性的约束,这些限制可以通过确定希格斯玻色子质量和耦合来得出。我们通过使用所谓现象学最小的超对称标准模型的19参数空间进行扫描来量化这些约束。研究了HigGS测量值的扫描点的比例,用于在LHC运行2中获得的耦合测量精度,并预期用于HL-LHC程序和$ E^+E^ - $ calliders,并与从LHC和Darkate Interventers中缺失的横向能量搜索衍生出的相反。

The study of the Higgs boson properties offers compelling perspectives for testing the effects of physics beyond the Standard Model and has deep implications for the LHC program and future colliders. Accurate determinations of the Higgs boson properties can provide us with a distinctively precise picture of the Higgs sector, set tight bounds, and predict ranges for the values of new physics model parameters. In this paper, we discuss the constraints on supersymmetry that can be derived by a determination of the Higgs boson mass and couplings. We quantify these constraints by using scans of the 19-parameter space of the so-called phenomenological minimal supersymmetric Standard Model. The fraction of scan points that can be excluded by the Higgs measurements is studied for the coupling measurement accuracies obtained in LHC Run 2 and expected for the HL-LHC program and $e^+e^-$ colliders and contrasted with those derived from missing transverse energy searches at the LHC and from dark matter experiments.

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