2021年 Snowmass 电弱精确物理与约束新物理专题组报告
高能物理 - 唯象学
2022-11-29 v2 高能物理 - 实验
摘要
精确测量物理可观测量并检验其在标准模型（SM）内的一致性，是一种宝贵的方法，它与直接搜寻新粒子互为补充，用以确定超越标准模型（BSM）的物理是否存在。对大质量电弱规范玻色子（W 和 Z 玻色子）的研究是间接 BSM 搜寻的一个有前景的目标，因为光子和胶子的相互作用受到未破缺规范对称性的强烈约束。它们可分为两类：(a) 由 s 道或 t 道 W/Z 玻色子介导的费米子散射过程，也称为电弱精确测量；以及 (b) 多玻色子过程，包括费米子-反费米子湮灭中产生两个或更多矢量玻色子，以及矢量玻色子散射（VBS）过程。后一类可检验规范玻色子自相互作用的修正，其灵敏度通常随对撞能量提高而改善。本报告评估了一系列未来实验可实现的精度，其取决于所收集数据样本的统计性、实验与理论系统不确定性及其关联。此外，它在标准模型有效场论（SMEFT）框架下给出了这些结果与希格斯和顶夸克 sector 中类似研究的联合诠释。该框架提供了一种与模型无关的方案，用以对新物理施加通用约束，并研究和组合大型实验可观测量集合，前提是新物理能标显著高于电弱（EW）能标。
引用
@article{arxiv.2209.08078,
title = {Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021},
author = {Alberto Belloni and Ayres Freitas and Junping Tian and Juan Alcaraz Maestre Aram Apyan and Bianca Azartash-Namin and Paolo Azzurri and Swagato Banerjee and Jakob Beyer and Saptaparna Bhattacharya and Jorge de Blas and Alain Blondel and Daniel Britzger and Mogens Dam and Yong Du and David d'Enterria and Keisuke Fujii and Christophe Grojean and Jiayin Gu and Tao Han and Michael Hildreth and Adrián Irles and Patrick Janot and Daniel Jeans and Mayuri Kawale and Elham E Khoda and Samuel Lane and Ian Lewis and Zhijun Liang and Jenny List and Zhen Liu and Yang Ma and Victor Miralles and Takahiro Mizuno and Chilufya Mwewa and Meenakshi Narain and Luka Nedic and Mark S. Neubauer and Chaitanya Paranjape and Michael Peskin and Roberto Petti and Marc-André Pleier and Roman Poeschl and Karolos Potamianos and Laura Reina and Jürgen Reuter and Tania Robens and Philipp Roloff and Michael Roney and Manqi Ruan and Richard Ruiz and Alex Schuy and William Shepherd and Daniel Stolarski and John Stupak and Taikan Suehara and Roberto Tenchini and Alessandro Tricoli and Eleni Vryonidou and Marcel Vos and Connor Waits and Graham Wilson and Yongcheng Wu and Keping Xie and Siqi Yang and Tianyi Yang and Keita Yumino and Shuang-Yong Zhou and Junjie Zhu},
journal= {arXiv preprint arXiv:2209.08078},
year = {2022}
}
备注
55 pages; Report of the EF04 topical group for Snowmass 2021; v2: few typos corrected and references added