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  • Open Access

Study the property of W′ at future e−p collider

Xinyi Yan, Honglei Li*, Zhi-Long Han†, Fei Huang‡, and Ruiyu Xing

  • *Contact author: sps_lihl@ujn.edu.cn
  • †Contact author: sps_hanzl@ujn.edu.cn
  • ‡Contact author: sps_huangf@ujn.edu.cn
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Phys. Rev. D 113, 055032 – Published 20 March, 2026

DOI: https://doi.org/10.1103/vrs8-gkbx

Abstract

As a strong candidate for new physics beyond the Standard Model, the exotic charged gauge boson W′ has attracted extensive research interest. In this work, we investigate the interactions of the W′ boson at the electron-proton colliders. The process e−u→νed and e−u→e±jjj with t-channel W′ exchange are studied. The polarization of the initial-state electrons has a significant impact on the cross section of the studied process, while the angular distribution of the final-state leptons serves as an important observable for the interactions of the W′ boson. In some specific regions of the parameter space, the detectable mass range for the W′ boson can reach around 10 TeV, and the coupling strength can achieve a precision of approximately 1% relative to the interaction strength of the Standard Model. Especially, e−u→e+jjj process is forbidden within the Standard Model, which would constitute important evidence in the search for the left-right symmetric model.

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Phys. Rev. D 113, 055032– Published 20 March, 2026
  • Received 5 January 2026
  • Accepted 26 February 2026
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