用介子、介子、Tau和β衰变测试轻子风味普遍性

IF 9.1 2区物理与天体物理 Q1 PHYSICS, NUCLEAR

Annual Review of Nuclear and Particle Science Pub Date : 2021-11-09 DOI:10.1146/annurev-nucl-110121-051223

D. Bryman, V. Cirigliano, A. Crivellin, G. Inguglia

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引用次数: 26

摘要

我们介绍了对轻子味普适违反的搜索的概述，重点是利用πs, Ks， τs和核衰变的低能精密探针。我们回顾了目前的实验结果，总结了标准模型背景下的理论现状，并讨论了未来的前景(实验和理论)。我们通过对轻子和四费米子算子的修正W耦合进行全局模型无关的拟合，回顾了这些测量对标准模型之外的物理的含义。我们还讨论了简化模型背景下的新物理学，并回顾了标准模型的扩展，重点是那些可以解释Cabibbo-Kobayashi-Maskawa夸克混合矩阵可能偏离一致性的扩展。《核与粒子科学年度评论》第72卷的最终在线出版日期预计为2022年9月。修订后的估计数请参阅http://www.annualreviews.org/page/journal/pubdates。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Testing Lepton Flavor Universality with Pion, Kaon, Tau, and Beta Decays

We present an overview of searches for violation of lepton flavor universality with a focus on low energy precision probes using πs, Ks, τs, and nuclear beta decays. We review the current experimental results, summarize the theoretical status within the context of the Standard Model, and discuss future prospects (both experimental and theoretical). We review the implications of these measurements for physics beyond the Standard Model by performing a global model-independent fit to modified W couplings to leptons and four-fermion operators. We also discuss new physics in the context of simplified models and review Standard Model extensions with a focus on those that can explain a possible deviation from unitarity of the Cabibbo–Kobayashi–Maskawa quark mixing matrix. Expected final online publication date for the Annual Review of Nuclear and Particle Science, Volume 72 is September 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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来源期刊

Annual Review of Nuclear and Particle Science 物理-物理：核物理

CiteScore

21.50

自引率

0.80%

发文量

期刊介绍： The Annual Review of Nuclear and Particle Science is a publication that has been available since 1952. It focuses on various aspects of nuclear and particle science, including both theoretical and experimental developments. The journal covers topics such as nuclear structure, heavy ion interactions, oscillations observed in solar and atmospheric neutrinos, the physics of heavy quarks, the impact of particle and nuclear physics on astroparticle physics, and recent advancements in accelerator design and instrumentation. One significant recent change in the journal is the conversion of its current volume from gated to open access. This conversion was made possible through Annual Reviews' Subscribe to Open program. As a result, all articles published in the current volume are now freely available to the public under a CC BY license. This change allows for greater accessibility and dissemination of research in the field of nuclear and particle science.