近期，探测中性三重规范耦合新物理的研究论文"Probing neutral triple gauge couplings via Zγ(ℓ⁺ℓ⁻γ) production at e⁺e⁻ colliders"在Frontiers of Physics期刊发表并选做封面文章（Cover Story）【Front.  Phys. 20, 015201 (2025)】。本文作者包括上海交通大学李政道研究所博士研究生刘丹宁（共同一作）、物理天文学院博士后肖瑞卿（共同一作），李政道学者李数、李政道研究所特聘学者何红建教授和李政道研究所前IAC成员、英国伦敦大学国王学院与欧洲核子中心John Ellis院士共同通讯作者，以及李政道研究所博士后袁睿。

RESEARCH ARTICLEDanning Liu, Rui-Qing Xiao, Shu Li, John Ellis, Hong-Jian He, and Rui Yuan, Probing neutral triple gauge couplings via  Zγ (ℓ⁺ℓ⁻γ) production at e⁺e⁻ colliders, Front.  Phys. 20, 015201 (2025), arXiv: 2404.15937

全文下载：

‍https://journal.hep.com.cn/fop/EN/pdf/10.15302/frontphys.2025.015201‍

Cover story

The LHC discovery of the Standard Model (SM)-like Higgs boson h (125 GeV) strongly suggests that the new physics scales are significantly higher than the Higgs mass 125 GeV and all the new physics effects are described by gauge invariant effective operators with mass-dimensions larger than 4, as formulated by the SM Effective Field Theory (SMEFT). The neutral Triple Gauge Couplings (nTGCs) provide a unique window for new physics beyond the SM, because they are absent both in the SM and at the level of dimension-6 operators. Such nTGCs first show up in the SMEFT of dimension-8. The authors performed a systematic detector-level study on the sensitivity reaches of the CEPC e⁺e⁻ collider for probing the nTGCs with a projected integrated luminosity of 20/ab. They demonstrated that the CEPC (240 GeV) can efficiently probe the nTGC form factors to the level of 10^-3‒10^-4and probe the new physics scales up to O(1) TeV, providing an important new physics target for the CEPC. For more details, please refer to the article entitled “Probing neutral triple gauge couplings via Zγ (ℓ⁺ℓ⁻γ) production at e⁺e⁻ colliders” by Danning Liu, et al. [Front. Phys. 20(1), 015201 (2025)]. [Photo credits: Danning Liu, Rui-Qing Xiao, Shu Li, Hong-Jian He & Rui Yuan at Shanghai Jiao Tong University]

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