论文标题

TASI 2020年的标准模型精确测试讲座

TASI 2020 Lectures on Precision Tests of the Standard Model

论文作者

Freitas, Ayres

论文摘要

TASI 2020上给出的讲座的文章提供了对Electroweak标准模型的精确测试的介绍。该讲义开始于对(壳上)重新归一化程序的动手审查,随后突出了具有电子对称性断裂和巨大仪表玻色的理论重新规范化时发生的一些微妙的细微之处。之后,引入了一组典型的Electroweak精度可观察物,以及在标准模型中进行预测所需的一系列输入参数测量值。最后,讨论了如何使用Electroweak Precision可观察到实验和理论之间的比较,以应对标准模型和探测新物理学的压力测试。

This write-up of lectures given at TASI 2020 provides an introduction into precision tests of the electroweak Standard Model. The lecture notes begin with a hands-on review of the (on-shell) renormalization procedure, and subsequently highlight a few subtleties that occur in the renormalization of a theory with electroweak symmetry breaking and massive gauge bosons. After that a set of typical electroweak precision observables is introduced, as well as a range of input parameter measurements that are needed for making predictions within the Standard Model. Finally, it is discussed how comparisons of the electroweak precision observables between experiment and theory can be used to stress-test the Standard Model and probe new physics.

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