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Charged Higgs signatures at future electron–proton colliders.

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Title: Charged Higgs signatures at future electron–proton colliders.
Authors: Coleppa, Baradhwaj1 (AUTHOR) baradhwaj@iitgn.ac.in, Krishna, Gokul B.1 (AUTHOR) gokulb@iitgn.ac.in
Source: European Physical Journal C -- Particles & Fields. May2026, Vol. 86 Issue 5, p1-18. 18p.
Subjects: Higgs bosons, Electron accelerators, Standard model (Nuclear physics), Particle physics
Abstract: In this work, we present a detailed collider phenomenology study of the charged Higgs boson within a Beyond the Standard Model (BSM) framework featuring an extended gauge and scalar sector. The charged Higgs can decay via conventional modes, such as H - → t ¯ b and H - → W - h , as well as through exotic channels like H - → W ′ Z (or W Z ′ ). These decays lead to distinct final-state topologies determined by the nature of the intermediate particles. We perform a comprehensive phenomenological analysis at future electron–proton colliders, namely the LHeC and FCC-eh, considering the luminosity projections provided in their design reports. Our results indicate that the conventional decay modes of the charged Higgs boson can achieve observable sensitivity and even discovery prospects at sufficiently high luminosities. In contrast, the exotic decay channel H - → W ′ Z does not exhibit any viable discovery potential. These findings highlight the complementarity of future electron-proton colliders in probing extended Higgs sectors, particularly through conventional charged Higgs signatures. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Charged Higgs signatures at future electron–proton colliders.
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. May2026, Vol. 86 Issue 5, p1-18. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Higgs+bosons%22">Higgs bosons</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+accelerators%22">Electron accelerators</searchLink><br /><searchLink fieldCode="DE" term="%22Standard+model+%28Nuclear+physics%29%22">Standard model (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+physics%22">Particle physics</searchLink>
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  Data: In this work, we present a detailed collider phenomenology study of the charged Higgs boson within a Beyond the Standard Model (BSM) framework featuring an extended gauge and scalar sector. The charged Higgs can decay via conventional modes, such as H - → t ¯ b and H - → W - h , as well as through exotic channels like H - → W ′ Z (or W Z ′ ). These decays lead to distinct final-state topologies determined by the nature of the intermediate particles. We perform a comprehensive phenomenological analysis at future electron–proton colliders, namely the LHeC and FCC-eh, considering the luminosity projections provided in their design reports. Our results indicate that the conventional decay modes of the charged Higgs boson can achieve observable sensitivity and even discovery prospects at sufficiently high luminosities. In contrast, the exotic decay channel H - → W ′ Z does not exhibit any viable discovery potential. These findings highlight the complementarity of future electron-proton colliders in probing extended Higgs sectors, particularly through conventional charged Higgs signatures. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-026-15677-1
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        Type: general
      – SubjectFull: Electron accelerators
        Type: general
      – SubjectFull: Standard model (Nuclear physics)
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      – TitleFull: Charged Higgs signatures at future electron–proton colliders.
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              Text: May2026
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