Neutrino seesaw models at one-loop matching: Discrimination by effective operators

Abstract

Using the functional method, one-loop matching of the type-I, -II and -III seesaw models are investigated and the results are presented in both the Green's and the Warsaw bases. Although these models generate the same dimension-5 Weinberg operator, they could induce quite different types of dimension-6 effective operators that can be utilized for model discrimination. We also find the threshold effects from one-loop matching could be significant, which turn out to allow triggering electroweak symmetry breaking radiatively in type-II seesaw while forbid that in type-I/-III models. An analytical criterion for such radiative symmetry breaking is also derived in type-II seesaw. Finally, we investigate the indirect signatures from different types of dimension-6 operators at high-energy colliders, low-energy precision experiments and forward physics facilities for model discrimination.

45 pages, 10 figures, 13 tables, with minor revision on matching results and updated references

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Cited by in corpus (17)

• The Standard Model effective field theory at work
• A Proof of Concept for Matchete: An Automated Tool for Matching Effective Theories
• Integrating out heavy scalars with modified EOMs: matching computation of dimension-eight SMEFT coefficients
• Renormalisation of SMEFT bosonic interactions up to dimension eight by LNV operators
• Origin of Neutrino Masses on the Convex Cone of Positivity Bounds
• Lepton-flavour-violating tau decays from triality
• Relevance of one-loop SMEFT matching in the 2HDM
• One-loop Matching of Scotogenic Model onto Standard Model Effective Field Theory up to Dimension 7
• Complete One-loop Structure of the Type-(I+II) Seesaw Effective Field Theory
• Complete One-loop Renormalization-group Equations in the Seesaw Effective Field Theories
• EFT, decoupling, Higgs boson mixing, and higher dimensional operators
• Veltman Criteria in Beyond Standard Model Effective Field Theory of Complex Scalar Triplet
• Tree-level unitarity constraints on heavy neutral leptons
• The Forward Physics Facility at the High-Luminosity LHC
• Riding the Seesaw: What Higgsstrahlung May Reveal about Massive Neutrinos
• Running of neutrino mass parameters in the Zee model
• Constraints on the parameters of the neutrino extension of the Standard Model