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Searching for singlet vector-like leptons via pair production at ILC

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arxiv 2402.02072 v2 pith:MVO6LSP4 submitted 2024-02-03 hep-ph

classification hep-ph
keywords kappakindleptonsmassmodelspairproductionvector-like
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Vector-like leptons (VLLs) as one kind of the most intriguing particles, have been widely concerned in several extensions of the Standard Model (SM). In this work, we explore the discovery potential of VLLs via pair production in the context of models that satisfy asymptotic safety at the International Linear Collider (ILC). The expected sensitivities of the ILC with the center of mass energy $\sqrt{s} =$ 1 TeV and the integrated luminosity $\mathcal{L}$ = 1 ab$^{-1}$ to the parameter space of this kind of VLL models are derived. The results we obtained show that, for the VLL with mass $M_F$ in the region of $M_{F}\in$ [101GeV, 463GeV], the Yukawa coupling $\kappa $ can be as low as $\kappa \in$ [0.032, 0.098].

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Implications of portal vector-like lepton on associated Higgs production at a multi-TeV muon collider

    hep-ph 2025-11 conditional novelty 6.0 of 10

    At a future muon collider, Higgs production with an invisible dark photon could outshine Higgs+Z by 1–100 times in a vector-like-lepton portal model, giving a kinetic-mixing-independent dark photon probe.

  2. Single production of singlet vector-like leptons at the ILC

    hep-ph 2024-12 conditional novelty 4.0 of 10

    Projected 5-sigma discovery regions for singlet vector-like leptons at the 1 TeV ILC are derived, covering masses 300-700 GeV and coupling kappa down to about 0.026.

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