LHC上三玻色子产生过程对维度-6有效场论算符的灵敏度研究
高能物理 - 唯象学
2023-10-16 v2 高能物理 - 实验
摘要
我们提出了在大型强子对撞机（LHC）上13 TeV质子-质子碰撞中，全轻子与半轻子通道下三玻色子产生反常效应的首次部分子水平研究。针对每个末态的具体分析，评估了对Warsaw基中一组最小玻色子维度-6算符所引发反常的灵敏度。采用基于似然的策略来评估各通道中最灵敏的运动学可观测量，其中有效场论算符的贡献在线性或二次水平上参数化。还检验了算符两两相互干涉项对灵敏度的冲击。该基准研究探索了不同三玻色子测量间灵敏度的互补与重叠，并为LHC实验的未来分析铺平道路。所考虑末态的统计组合可对五个玻色子Wilson系数设定严格界限。
引用
@article{arxiv.2303.18215,
title = {A sensitivity study of triboson production processes to dimension-6 EFT operators at the LHC},
author = {Riccardo Bellan and Saptaparna Bhattacharya and Giacomo Boldrini and Flavia Cetorelli and Pietro Govoni and Andrea Massironi and Alberto Mecca and Cristiano Tarricone and Antonio Vagnerini},
journal= {arXiv preprint arXiv:2303.18215},
year = {2023}
}
备注
Submitted to JHEP (second version) Minor changes applied to address JHEP referee's comments:more detailed comparison with diboson results and discussion of the choice of specific dim.-6 operators;additional considerations on background components included and on dim.-8 operators in this context