Probing Beyond the Standard Model (BSM) Physics: Higgs Boson Precision Measurements at the Future Electron-Positron Collider
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Abstract
The Standard Model (SM) of particle physics has been one of the successful theories in describing the existence and interaction of elementary particles, but is fails to answer most key yet open questions, such as the nature of dark matter, matter-antimatter asymmetry and the hierarchy problem. Precision measurement of the Higgs boson is positioned to probe for the new physics beyond the Standard Model (BSM). This review explores how the future electron-positron collider, such as the ILC, FCCee, CEPC and CLIC, have the potential to achieve the unprecedented precision in Higgs boson couplings and self-interactions. A comparative analysis of the future collider designs was made making an emphasis on their capabilities in testing the Standard Model Effective Field Theory (SMEFT) and the Higgs Effective Field Theory (HEFT). A discussion on the collider design considerations was also made stressing that in order to optimize the exploration of BSM, the future electron-positron colliders will be heavily influenced by their luminosities and the beam polarization of both electrons and positrons. Findings from this review suggests that sub-percent precision of Higgs properties has the potential to review subtle deviations from new physics. These results underscores the crucial role of future electron-positron colliders in complimenting the Large Hadron Collider (LHC) for the future discoveries in particle physics.
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Abstract
The Standard Model (SM) of particle physics has been one of the successful theories in describing the existence and interaction of elementary particles, but is fails to answer most key yet open questions, such as the nature of dark matter, matter-antimatter asymmetry and the hierarchy problem. Precision measurement of the Higgs boson is positioned to probe for the new physics beyond the Standard Model (BSM). This review explores how the future electron-positron collider, such as the ILC, FCCee, CEPC and CLIC, have the potential to achieve the unprecedented precision in Higgs boson couplings and self-interactions. A comparative analysis of the future collider designs was made making an emphasis on their capabilities in testing the Standard Model Effective Field Theory (SMEFT) and the Higgs Effective Field Theory (HEFT). A discussion on the collider design considerations was also made stressing that in order to optimize the exploration of BSM, the future electron-positron colliders will be heavily influenced by their luminosities and the beam polarization of both electrons and positrons. Findings from this review suggests that sub-percent precision of Higgs properties has the potential to review subtle deviations from new physics. These results underscores the crucial role of future electron-positron colliders in complimenting the Large Hadron Collider (LHC) for the future discoveries in particle physics.
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Kaphika, W. S..
Probing Beyond the Standard Model (BSM) Physics: Higgs Boson Precision Measurements at the Future Electron-Positron Collider. Authorea. 11 August 2025.
DOI: https://doi.org/10.22541/au.175494704.41838817/v1
DOI: https://doi.org/10.22541/au.175494704.41838817/v1
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