Unveiling E$_6$SSM Scalar Diquarks at the HL-LHC
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909487634317312 |
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| author | Ali, Murad Khalil, Shaaban Moretti, Stefano Munir, Shoaib Waltari, Harri |
| author_facet | Ali, Murad Khalil, Shaaban Moretti, Stefano Munir, Shoaib Waltari, Harri |
| contents | We investigate the phenomenology of scalar diquarks with sub-TeV masses within the framework of the $E_6$ Supersymmetric Standard Model (E$_6$SSM) at the Large Hadron Collider (LHC). Focusing on the lightest of the six diquarks predicted by the model, we select some representative low masses for them in a parameter space region consistent with experimental constraints from direct searches for additional Higgs boson(s), Cold Dark Matter (CDM), and supersymmetry, as well as from flavor physics analyses. Using Monte Carlo ($MC$) simulations, we assess these benchmark points against the latest LHC results corresponding to an integrated luminosity of 140 fb$^{-1}$. We further evaluate the signal significance of the pair-production of these diquarks, when each of them decays into $tb$ pairs, at the $\sqrt{s}=13$ TeV LHC Run 3 with design integrated luminosity of 300 fb$^{-1}$, and also at the 3000 fb$^{-1}$ High-Luminosity LHC (HL-LHC). Our analysis yields a statistical significance exceeding $3σ$ at the HL-LHC for diquark masses up to 1 TeV, indicating promising prospects for their discovery. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_19445 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unveiling E$_6$SSM Scalar Diquarks at the HL-LHC Ali, Murad Khalil, Shaaban Moretti, Stefano Munir, Shoaib Waltari, Harri High Energy Physics - Phenomenology We investigate the phenomenology of scalar diquarks with sub-TeV masses within the framework of the $E_6$ Supersymmetric Standard Model (E$_6$SSM) at the Large Hadron Collider (LHC). Focusing on the lightest of the six diquarks predicted by the model, we select some representative low masses for them in a parameter space region consistent with experimental constraints from direct searches for additional Higgs boson(s), Cold Dark Matter (CDM), and supersymmetry, as well as from flavor physics analyses. Using Monte Carlo ($MC$) simulations, we assess these benchmark points against the latest LHC results corresponding to an integrated luminosity of 140 fb$^{-1}$. We further evaluate the signal significance of the pair-production of these diquarks, when each of them decays into $tb$ pairs, at the $\sqrt{s}=13$ TeV LHC Run 3 with design integrated luminosity of 300 fb$^{-1}$, and also at the 3000 fb$^{-1}$ High-Luminosity LHC (HL-LHC). Our analysis yields a statistical significance exceeding $3σ$ at the HL-LHC for diquark masses up to 1 TeV, indicating promising prospects for their discovery. |
| title | Unveiling E$_6$SSM Scalar Diquarks at the HL-LHC |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2412.19445 |