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Revisiting the high-scale validity of Type-II seesaw model with novel LHC signature

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arxiv 1711.06062 v2 pith:K37SP7Z3 submitted 2017-11-16 hep-ph

classification hep-ph
keywords modelhigh-scalemassesmixingscalarseesawsignaltype-ii
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

The Type-II seesaw model is a well-motivated new physics scenario to address the origin of the neutrino mass issue. We show that this model can easily accommodate an absolutely stable vacuum until the Planck scale, however with strong limit on the exotic scalar masses and the corresponding mixing angle. We examine the model prediction at the current and future high luminosity run of the Large Hadron Collider (LHC) for the scalar masses and mixing angles fixed at such high-scale valid region. Specifically, we device the associated and pair production of the charged scalars as a new probe of the model at the LHC. We show that for a particular signal process the model can be tested with $5\sigma$ signal significance even at the present run of the LHC.

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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. Probing Doubly Charged Higgs Bosons with Three-Body Associated Production at Future $e^+e^-$ Colliders

    hep-ph 2026-02 conditional novelty 6.0 of 10

    Doubly charged Higgs bosons in the type-II seesaw 2HDM can be produced via 2-to-3 associated channels at e+e- colliders with cross sections up to ~10^2 fb and good 4-lepton discovery sensitivity.

  2. Charged Higgs searches in the Georgi-Machacek model at the LHC

    hep-ph 2019-08 conditional novelty 5.0 of 10

    The ATLAS tb charged-Higgs search already limits the triplet vev in the Georgi-Machacek model, and the H±3 to W±h channel can cover the remaining region at 5σ with HL-LHC data.

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