Abstract The global fit of the Standard Model predictions to electroweak precision data, which has been routinely performed in the past decades by several groups, led to the prediction of the top quark and the Higgs boson masses before their respective discoveries. With the measurement of the Higgs boson mass at the Large Hadron Collider (LHC) in 2012 by the ATLAS and CMS collaborations, the last free parameter of the Standard Model of particle physics has been fixed, and the global electroweak fit can be used to test the full internal consistency of the electroweak sector of the Standard Model and constrain models beyond. In this article, we review the current state-of-the-art theoretical calculations, as well as the precision measurements performed at the LHC, and interpret them within the context of the global electroweak fit. Special focus is drawn in the impact of the Higgs boson mass on the fit.

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希格斯玻色子发现后标准模型的弱电精度测试

摘要 标准模型预测对电弱精度数据的全局拟合，在过去的几十年中由几个小组例行执行，导致在顶夸克和希格斯玻色子各自被发现之前的质量预测。随着2012年ATLAS和CMS合作在大型强子对撞机（LHC）上测量希格斯玻色子质量，粒子物理标准模型的最后一个自由参数已经固定，可以使用全局电弱拟合来测试标准模型和约束模型之外的电弱部分的完全内部一致性。在本文中，我们回顾了当前最先进的理论计算，以及在 LHC 上执行的精确测量，并在全球电弱拟合的背景下解释它们。