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arXiv 2609.07168hep-ph

在e-p对撞机上探测中性三规范玻色子耦合

Probing Neutral Triple Gauge Couplings at e- p colliders

Xue-Jia Cheng, Chong-Xing Yue, Ji-Chong Yang, Si-Tong Liu

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中文总结 AI 辅助

本研究利用SMEFT框架,在FCC-he上研究六个过程的nTGCs信号,提出事件选择策略,获得维度-8算符系数约束,发现其灵敏度与LHC相当,优于CEPC。

中文摘要 AI 辅助

标准模型有效场论(SMEFT)作为一种模型无关的探测新物理信号的方法,引起了广泛关注。在SMEFT框架下,e−p对撞机可用于研究规范玻色子的新相互作用,例如中性三规范玻色子耦合(nTGCs)。我们在未来环形对撞机-强子电子(FCC-he)上研究了六个不同过程的信号与背景,并提出了不同的事件选择策略。我们获得了每个过程中维度-8算符系数的预期约束,以及组合约束。结果表明,e−p对撞机对nTGCs的灵敏度与当前大型强子对撞机(LHC)实验相当,且比环形正负电子对撞机(CEPC)实验更具竞争力。

英文摘要

The Standard Model Effective Field Theory~(SMEFT) has attracted much attention as a model-independent way for probing new physical signals. In the SMEFT framework, $e^{-}p$ colliders can be used to study new interactions of gauge bosons, such as neutral Triple Gauge Couplings~(nTGCs). We study the signals and backgrounds of six different processes at the Future Circular Collider-hadron electron~(FCC-he) and propose different event selection strategies. The expected constraints on the coefficients of the dimension-8 operators for each process, as well as the combined constraints are obtained. The results show that the sensitivity of $e^{-}p$ colliders to nTGCs is similar to the current Large Hadron Collider~(LHC) experiments and is more competitive than that of Circular Electron Positron Collider~(CEPC) experiments.

发表机构

  • Liaoning Normal University(辽宁师范大学)

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