What does this research mean for the field?

A Standard Model extension incorporating vector-like quarks and a single right-handed neutrino can simultaneously generate viable neutrino masses, ensure electroweak vacuum stability up to the Planck scale, and produce Higgs inflation predictions consistent with current cosmological data. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research explores a model combining vector-like quarks and a right-handed neutrino, addressing neutrino mass, vacuum stability, and Higgs inflation.

June 7, 2026Progress of Theoretical and Experimental PhysicsOpen Access

Neutrino Mass, Vacuum Stability and Higgs Inflation with Vector-Like Quarks and a Single Right-Handed Neutrino

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This research explores a model combining vector-like quarks and a right-handed neutrino, addressing neutrino mass, vacuum stability, and Higgs inflation.
Analysis of renormalization-group equations at two-loop level along with one-loop contributions from vector-like quarks and right-handed neutrino.
Identification of parameter regions (n, yD, MD) that ensure Higgs potential stability up to the Planck scale under experimental constraints.
Computation of inflationary observables using RG-improved Higgs potential to assess consistency with recent data.
Identified regions that stabilize the Higgs potential while maintaining phenomenologically viable neutrino masses.
Predictions for inflationary observables ns and r align with Planck-LB-BK18 and ACT-LB-BK18 data.
Results confirm the stabilizing role of vector-like quarks for electroweak vacuum stability.

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Implication

Randomized trial investigates Higgs inflation effects on neutrino mass in a model with new quarks, indicating stability implications.

Cite This Study

Canan Karahan (2026) studied this question.

synapsesocial.com/papers/6a250c507def13d035e1c5e4 https://doi.org/10.1093/ptep/ptag106

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Neutrino Mass, Vacuum Stability and Higgs Inflation with Vector-Like Quarks and a Single Right-Handed Neutrino

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Implication

Cite This Study

Neutrino Mass, Vacuum Stability and Higgs Inflation with Vector-Like Quarks and a Single Right-Handed Neutrino

Key Points

Discussion

Implication

Cite This Study

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