Probing Neutral Triple Gauge Couplings at e- p colliders
Abstract
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.
Versions
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BibTeX
@misc{cheng2026probing,
title = {{Probing Neutral Triple Gauge Couplings at e- p colliders}},
author = {Xue-Jia Cheng and Chong-Xing Yue and Ji-Chong Yang and Si-Tong Liu},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.07168},
eprint = {2609.07168},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.07168},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Probing Neutral Triple Gauge Couplings at e- p colliders
AU - Xue-Jia Cheng
AU - Chong-Xing Yue
AU - Ji-Chong Yang
AU - Si-Tong Liu
PY - 2026
DA - 2026/09/07
PB - arXiv
DO - 10.48550/arxiv.2609.07168
UR - https://arxiv.org/abs/2609.07168
AB - 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.
ER -