Searching for the doubly-charged Higgs bosons in the Georgi-Machacek model at the ep colliders

TL;DR

This paper investigates the potential to detect doubly-charged Higgs bosons predicted by the Georgi-Machacek model at electron-proton colliders, focusing on vector boson fusion production and muon pair decay channels.

Contribution

It provides a detailed analysis of the detection prospects for doubly-charged Higgs bosons in the Georgi-Machacek model at ep colliders, including significance calculations based on luminosity and model parameters.

Findings

Detection prospects depend on triplet VEV and luminosity.

Significance varies with collider energy and model parameters.

Potential for discovery at future ep colliders.

Abstract

The Georgi-Machacek model is one of many beyond Standard Model scenarios with an extended scalar sector which can group under the custodial $\rm SU(2)_C$ symmetry. There are 5-plet, 3-plet and singlet Higgs bosons under the classification of such symmetry in addition to the Standard Model Higgs boson. Here we study the prospects for detecting the doubly-charged Higgs boson ($\rm H_5^{\pm\pm}$) through the vector boson fusion production at the electron-proton colliders. Typically, we concentrate on our analysis through $\mu$-lepton pair production via pair of same-sign W bosons decay. The discovery significance are calculated as the functions of the triplet vacuum expectation value and necessary luminosity.