Pith. sign in

REVIEW 4 major objections 9 minor 163 references

One Standard Model extension radiatively builds inverse-seesaw neutrino masses at three loops while stabilizing up to three dark-matter components and allowing resonant leptogenesis.

Reviewed by Pith at T0; open to challenge. T0 means a machine referee read the full paper against a public rubric. the ladder, T0–T4 →

T0 review · grok-4.5

2026-07-31 05:32 UTC pith:HFATUATY

load-bearing objection Competent three-loop ISS + multi-component DM construction with a real MultiNest scan; the BAU/CLFV headline overreaches on approximate washout formulas the authors themselves flag. the 4 major comments →

arxiv 2607.24932 v1 pith:HFATUATY submitted 2026-07-27 hep-ph

Multi-component Dark Matter in a Novel Three-Loop Inverse Scotogenic Seesaw Model

classification hep-ph
keywords inverse seesawscotogenic modelthree-loop neutrino massmulti-component dark matterresonant leptogenesischarged lepton flavor violationZ2⊗Z3 residual symmetry
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper builds a single extension of the Standard Model that tries to explain three outstanding puzzles at once: why active neutrinos are so light, why the Universe has more matter than antimatter, and what makes up the dark matter. Neutrino masses arise through an inverse seesaw whose tiny lepton-number-violating piece is not put in by hand but is generated at three loops with a new diagram topology. A global U(1)' symmetry breaks spontaneously, leaving an unbroken Z2 times Z3 that both forces that loop generation and keeps the lightest states in up to three separate dark sectors stable. A MultiNest scan of the high-dimensional parameter space finds regions that simultaneously fit neutrino oscillation data, charged-lepton flavor-violation bounds, the observed dark-matter density (including multi-component mixtures), direct-detection limits, and simplified estimates of the baryon asymmetry via resonant leptogenesis.

Core claim

A novel three-loop scotogenic topology dynamically generates the inverse-seesaw lepton-number-violating mass matrix µ, while the same residual Z2⊗Z3 symmetry that enforces the radiative origin stabilizes the lightest particles of up to three independent dark sectors, allowing single-, two-, and three-component dark-matter scenarios that can reproduce Ωh²≃0.12 under existing experimental constraints and admit points consistent with the observed baryon asymmetry in simplified leptogenesis estimates.

What carries the argument

The three-loop inverse-scotogenic generation of the ISS parameter µ (Eq. 2.13 and Fig. 1), controlled by the residual unbroken Z2⊗Z3 after U(1)' breaking; that discrete symmetry both forbids tree-level µ and partitions the new singlets into three stable dark sectors.

Load-bearing premise

Claims that the model explains the baryon asymmetry rest on simplified weak- and strong-washout formulas rather than the full flavored Boltzmann network the authors themselves say is still needed.

What would settle it

A null result for µ–e conversion in aluminum at the projected COMET sensitivity of ~10^{-16}, combined with no viable multi-component dark-matter points left that still fit neutrino data and direct detection after a full flavored Boltzmann leptogenesis calculation.

Watch this falsifier — get emailed when new claim-graph text bears on it.

If this is right

  • Viable parameter space includes scalar-only, fermion-only, and mixed multi-component dark matter with up to three stable species sharing the relic density.
  • Points that match the observed baryon asymmetry in the simplified treatment typically lie within future COMET (and often Mu2e) reach while remaining outside MEG II sensitivity for µ→eγ.
  • Heavy pseudo-Dirac neutrinos can sit near the TeV scale with sizable Yukawa couplings, keeping charged-lepton flavor violation experimentally interesting.
  • The same residual discrete symmetry that generates µ radiatively automatically stabilizes the dark sector without extra ad-hoc stabilizers.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If full flavored Boltzmann equations confirm the simplified leptogenesis points, low-scale resonant leptogenesis would become a concrete target for next-generation µ–e conversion rather than only high-energy colliders.
  • The three-loop topology and residual Z2⊗Z3 pattern could be reused in other low-scale seesaw constructions whenever one wants multi-component dark matter without adding new stabilizing symmetries by hand.
  • A confirmed massless lightest neutrino (forced by the 3×2 ISS structure) would be a sharp, near-term cosmological and oscillation cross-check of the whole setup.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit.

Referee Report

4 major / 9 minor

Summary. The manuscript constructs an extension of the SM by gauge-singlet scalars (φ1, φ2, η, σ), two generations each of right-handed neutrinos νR and sterile fermions NR, and two vector-like neutral-lepton pairs ΨL,R, charged under a global U(1)′ and a discrete Z2⊗Z3 symmetry. Spontaneous U(1)′ breaking leaves Z2⊗Z3 intact, which simultaneously (i) forbids the inverse-seesaw LNV parameter µ at tree level so that it is generated at three loops with a topology stated to be new, and (ii) stabilizes the lightest states of three dark sectors, allowing single-, two-, and three-component DM. The authors fit neutrino oscillation data via a modified Casas–Ibarra parametrization, impose CLFV, non-unitarity, 0νββ, perturbativity, and tree-level vacuum-stability constraints, compute relic abundances and direct-detection cross sections with micrOMEGAs 6/7 sampled by a two-stage MultiNest scan with a SHAP-based importance analysis, and assess resonant leptogenesis from the pseudo-Dirac heavy-neutrino pairs. The flagship phenomenological claim (§5, Figs. 9–11) is that all scan points reproducing the observed baryon asymmetry lie within COMET's projected µ−e conversion sensitivity while escaping MEG II. The model construction, charge assignments, scalar potential, three-loop µ formula (imported from Ref. [117]), CLFV form factors, and the DM relic analysis all appear internally consistent and use standard, appropriate tools; the weak point is the baryon-asymmetry treatment and a few technical item

Significance. If the results hold, the paper delivers a genuine increment in the scotogenic-ISS program: a three-loop radiative origin for the ISS LNV parameter with a topology not previously used for the inverse seesaw, combined with a residual-symmetry classification of up to three stable DM components and an explicit CLFV–cosmology correlation. Concrete strengths worth noting: the explicit three-loop loop functions in Appendix A, a modified Casas–Ibarra fit to NuFit-6.0 data, relic-density and direct-detection evaluation with micrOMEGAs' N-component machinery rather than analytic estimates, a two-stage MultiNest/SHAP scan strategy that is a useful methodological template for high-dimensional model spaces, and a falsifiable statement (COMET coverage of the leptogenesis-favored region). The DM and neutrino-mass branches rest on standard, internally coherent tools. The baryon-asymmetry branch, however, is evaluated with simplified weak/strong-washout formulas whose validity fails in exactly the region where the claimed successful points live, so the significance of the flagship interplay result is conditional on that treatment being substantiated.

major comments (4)
  1. [§4.2, Eqs. (4.4)–(4.8); §5, Figs. 9–11] §4.2, Eqs. (4.4)–(4.8); §5, Figs. 9–11. The classification of points as reproducing the observed BAU — and the resulting headline statement that "all points that reproduce the observed baryon asymmetry lie within COMET sensitivity" (§5) — rests entirely on the interference-suppressed washout Keff ≃ KN+ δ+² + KN− δ−². In the successful region (Fig. 9: MN1 ≳ 500 GeV, Tr[y†νyν] ∈ [0.1,10]) the unsuppressed KN± = Γ±/H are of order 10^5–10^8, so Keff ~ O(1–10) is obtained only through the destructive-interference factor δ±² ≪ 1. At T ~ MN1 ~ 0.5–10 TeV all three charged-lepton Yukawa interactions are equilibrated, and the omitted fully flavored density-matrix treatment — flavor decoherence, ΔL=1 scatterings, spectator processes — partially lifts exactly this coherent pseudo-Dirac suppression and also modifies εCP beyond the simple resonant regulator of Eq. (4.1). Ref. [159], the source of Eq.
  2. [§2.1, Eq. (2.5); §4.1.1, Figs. 4–5] §2.1 and §4.1.1, Figs. 4–5. Setting λ6 = 0 exactly is load-bearing twice: it guarantees the SM-like Higgs (Eq. 2.5 and following) and it removes the σR-mediated contribution to the spin-independent direct-detection cross section underlying the blue/gray classification in Fig. 4. However, λ6 is multiplicatively renormalized by the very portal couplings that are scanned to O(0.1–3): loops of φ1, φ2, η induce λ6(μ) ∝ λ7λ10, λ8λ11, λ9λ12 even if λ6 is set to zero at one scale. The resulting h–σR mixing both shifts Higgs signal strengths and adds a singlet-mediated floor to σSI. Please estimate the loop-induced λ6 for representative scan points, derive the corresponding floor on σSI, and verify that the direct-detection-surviving (blue) points in Fig. 4 persist.
  3. [§2.1, Goldstone boson discussion] §2.1 (Goldstone sector). Within the renormalizable theory J ~ σI is an exact massless Nambu–Goldstone boson, as the authors state. The manuscript enumerates the relevant constraints (SN1987A/stellar cooling, ∆Neff, h → JJ) but applies none of them, and the quark sector — on which the cooling bounds depend — is left unspecified beyond the remark that quark doublets can be given vanishing U(1)' charges. With λ6 = 0 the h → JJ channel is suppressed, but the singlet portals λ10, λ11, λ12 ∈ [10^-4, 3] (Appendix C) couple J to the inert dark scalars, through which J could thermalize and contribute to dark radiation; whether this happens for the retained scan points is not checked. Since the abstract claims the model "complies with bounds and constraints," at minimum an estimate of the J thermalization rate and the resulting ∆Neff for representative benchmark points is needed, or the compliance
  4. [§3.2, Eq. (3.11)] §3.2, Eqs. (3.9)–(3.11). The stated bounded-from-below conditions are not shown to be sufficient for the full five-field quartic potential. Two specific gaps: (a) the λ16 term, (λ16/2)(r²−s²) = λ16(φ2²σ*² + h.c.), can be negative along the phase-aligned direction φ2 = σ (it is bounded below by −2λ16|φ2|²|σ|²), yet Eq. (3.11) contains no condition combining λ16 with λ2, λ4, λ11; (b) the λ17 term (λ17/2)(fp − gq) is bounded below by −2λ17√(cd)e, so a sufficient condition along the direction φ1 = φ2 = η involves the interplay of λ17 with λ3, λ4, λ5 (e.g., a discriminant-type condition λ17² ≲ 2λ5√(λ3λ4)), which is absent from Eq. (3.11). Simply requiring λ16, λ17 ≥ 0 does not by itself close these directions. Please derive and state sufficient copositivity conditions for the potential of Eq. (3.9), or demonstrate that the directions mixing (f,g,p,q,r,s) are already covered by the listed cond
minor comments (9)
  1. [§2] Notation: the symbol µ is used simultaneously for the LNV 2×2 mass matrix (Eq. 2.12), the scalar mass parameters µϕ, µσ, µφ1, µφ2, µη (Eq. 2.2), and M is used both for the heavy mass matrix and for the mass scale M = max[mφ1, mη, mΨr, mφ2R,I] below Eq. (2.14). Distinct symbols would ease reading.
  2. [§2, Table 1] Table 1: the Z2 and Z3 entries (0,1) and (0,2) should be identified explicitly as additive charges modulo 2 and 3, respectively.
  3. [§2.2, Eq. (2.13)] Eq. (2.13): the three-loop formula is imported from Ref. [117]. Given the claimed "novel topology," please state explicitly the field-by-field correspondence between Fig. 1 and the topology of [117], and what precisely is new here, so the reader can assess the novelty claim.
  4. [§4.1, Figs. 7–8] Figs. 7 and 8 describe the interval 0.05 < Ωh² < 1 as "close to the observed value"; this is far looser than Planck (Ωh² = 0.1200 ± 0.0012). Please clarify which relic-abundance cut defines the final viable points (Fig. 2 and the points used in Figs. 9–11), and state whether all points entering the CLFV/BAU interplay plots satisfy the tight cut.
  5. [§4.2, Fig. 9] Fig. 9 caption: "the orange circles correspond to the points that exactly satisfy the observed baryon asymmetry" — "exactly" is not meaningful given the approximate Eqs. (4.7)–(4.8); reword in line with whatever reframing is adopted for the major comment on §4.2.
  6. [§3.5] §3.5 is purely descriptive: no collider limit is actually imposed in the scan. This should be stated explicitly so that the abstract's compliance claim is not read as including collider searches.
  7. [Appendix C] Appendix C: the range µη, µφ1, µφ2 ∈ [10², 10⁸] GeV reaches far above the TeV scale assumed elsewhere (vσ ≤ 2×10⁴ GeV, M11 ≤ 20 TeV); please comment on consistency. Also justify the asymmetric Yukawa ranges (yΨ up to 1 but yN up to √4π) in the §4.2 scan.
  8. [§4.1, Refs. [89–91]] Reference [91] (micrOMEGAs 7, arXiv:2606.06645): please clarify which micrOMEGAs version was actually used for the N-component calculation and cite accordingly.
  9. [Various] Typos/presentation: "purely fermion mixed scalar–fermion" in §4.1 is garbled; double opening parenthesis in "CR((µ → e, N)" in the captions of Figs. 10 and 11; Fig. 2's slice labels would benefit from a legend key rather than inline text.

Circularity Check

0 steps flagged

No significant circularity: model construction, loop µ, MultiNest/micrOMEGAs relic scan, and CLFV rates are computed against external benchmarks; approximate BAU formulas are a robustness issue, not a definitional loop.

full rationale

The derivation chain is standard BSM phenomenology, not circular. The residual Z2⊗Z3 charge assignments (Table 1) forbid tree-level µ and stabilize three dark sectors by construction of the symmetry; the three-loop µ expression (Eq. 2.13–2.14, Fig. 1) is evaluated from those couplings and masses, with the loop integral taken from an external reference [117], not defined as the light-neutrino data. Light masses are accommodated via a modified Casas–Ibarra fit (Eq. 3.1) to external oscillation inputs and KamLAND-Zen mee—an ordinary parameter fit, not a prediction of the fitted quantities. Relic density is obtained with micrOMEGAs and compared to Planck Ωh²≃0.12; CLFV rates use standard form factors against experimental bounds. Self-citations to prior scotogenic/ISS papers by overlapping authors supply related machinery but do not underwrite a uniqueness theorem or force the central claims. The simplified Y_ΔB formulas (Eqs. 4.7–4.8) and interference-suppressed Keff (Eq. 4.4) are acknowledged by the authors as incomplete relative to full flavored Boltzmann equations; that is a correctness/robustness limitation on the BAU/CLFV interplay claim, not a reduction of the output to the input by definition. No self-definitional step, fitted-input-as-prediction, or load-bearing self-citation chain is present.

Axiom & Free-Parameter Ledger

8 free parameters · 6 axioms · 4 invented entities

The central phenomenology rests on a large invented dark/neutrino sector, an unbroken residual discrete symmetry after U(1)' breaking, standard WIMP and approximate resonant-leptogenesis assumptions, and many free masses/couplings scanned or fixed to match external data (neutrino fits, Ωh², CLFV bounds). Little is derived parameter-free from the SM alone.

free parameters (8)
  • vσ (U(1)' breaking VEV) = scan range 10^2–2×10^4 GeV
    Scanned in [10^2, 2×10^4] GeV; sets singlet-portal masses and φ2 splitting via λ16 vσ².
  • μ_η, μ_φ1, μ_φ2 = scan range 10^2–10^8 GeV
    Bare inert-scalar mass parameters scanned over many orders; dominate DM candidate masses.
  • λ7, λ8, λ9 (Higgs portals) = scanned ~10^{-4}–3
    Control scalar DM annihilation and SI direct detection; among top SHAP-important parameters.
  • λ10, λ11, λ12, λ16 (singlet portals / φ2 splitting) = O(10^{-4}–3); λ16≥0 for stability
    Open annihilation via σ sector and lift m_φ2R−m_φ2I degeneracy required for nonzero three-loop µ.
  • A1, Aη (trilinear couplings) = typically 1–20 TeV in BAU scan
    Enter µ ∝ A1² Aη at three loops and η semi-annihilation; scanned in leptogenesis stage to TeV values.
  • yν, yN, yΨ and M, mΨ entries = perturbative |y|<√(4π); M11 ~0.2–20 TeV in BAU scan
    Yukawas and bare fermion masses set MD, heavy spectrum, DM conversion Ψ↔η, and CP asymmetry; partly fixed by Casas-Ibarra to neutrino data, partly scanned.
  • Casas-Ibarra z and Majorana phase αM = |z|∈[10^{-4},10], αM∈[0,2π]
    Complex orthogonal parameter and Majorana phase chosen to reproduce oscillation data inside 3σ.
  • λ6=0 alignment choice = 0 (fixed)
    Portal mixing set exactly to zero by hand to keep h SM-like rather than fit from data in the scan.
axioms (6)
  • domain assumption Residual Z2⊗Z3 remains exactly unbroken after ⟨σ⟩ and ⟨ϕ⟩ form, forbidding VEVs for φ1,φ2,η and stabilizing the lightest state in each dark sector.
    Stated in Sec. 2 and Table 3; load-bearing for both radiative µ and multi-component DM.
  • domain assumption ISS hierarchy M ≫ MD ≫ µ holds so light masses are M_light ≈ MD (M^T)^{-1} µ M^{-1} MD^T with pseudo-Dirac heavy pairs.
    Sec. 2.2; standard ISS approximation used throughout phenomenology.
  • domain assumption DM is produced as cold WIMPs in a standard radiation-dominated cosmology; relic density from 2→2 annihilation/coannihilation/semi-annihilation computed by micrOMEGAs equals (or shares) Planck Ωh²≃0.12.
    Sec. 4.1; defines single- vs co-dominance cuts (95% / 10%).
  • ad hoc to paper Approximate resonant-leptogenesis CP asymmetry and K_eff washout formulas (Eqs. 4.1–4.8) suffice to claim Y_ΔB match without full flavored Boltzmann equations.
    Sec. 4.2 explicitly notes full treatment is beyond scope yet still selects ‘orange’ Planck-matching points.
  • domain assumption Tree-level bounded-from-below inequalities (Eq. 3.11) and |λ_i|<4π, |y|<√(4π) guarantee a usable vacuum and perturbativity for the scan.
    Sec. 3.2; standard multi-scalar stability analysis assumptions.
  • domain assumption Mixed gauge anomalies of U(1)' can be canceled (e.g. vanishing U(1)' charges for left-handed quark doublets) so J is an exact massless NGB inside the renormalizable theory.
    End of Sec. 2.1; quark sector not fully specified, J phenomenology deferred.
invented entities (4)
  • Inert singlets φ1, φ2, η and breaking singlet σ no independent evidence
    purpose: Mediate the three-loop µ diagram, split φ2 CP components, break U(1)', and supply scalar DM candidates.
    New scalar field content beyond the SM Higgs; no independent discovery claimed.
  • Two generations each of νR, NR and vector-like Ψ_{L,R} no independent evidence
    purpose: Build the ISS block mass matrix and fermionic DM / loop mediators.
    Standard sterile/vector-like additions but specific to this charge assignment.
  • Global U(1)' and discrete Z2⊗Z3 symmetry no independent evidence
    purpose: Forbid tree-level µ, enforce three-loop topology, and stabilize three dark sectors after U(1)' breaking.
    Symmetries postulated via charge Table 1; residual discrete group is the DM stabilizer.
  • Physical Goldstone J ~ σ_I no independent evidence
    purpose: Necessary NGB of broken global U(1)'; possible dark radiation / cooling phenomenology left open.
    Acknowledged but not constrained in detail; could threaten cosmology depending on couplings.

pith-pipeline@v1.2.0-grok45-kimik3 · 38081 in / 4759 out tokens · 92419 ms · 2026-07-31T05:32:16.838635+00:00 · methodology

0 comments
read the original abstract

We consider a model which provides an explanation of the origin of light neutrino masses, the baryon asymmetry of the Universe -- via leptogenesis -- and explains the observed dark matter relic abundance with several components. In this scenario, Majorana masses of the active neutrinos are produced by the inverse seesaw (ISS) mechanism with the lepton-number-violating mass parameter being dynamically generated at three loops with a novel topology. This model is based on an extension of the Standard Model gauge symmetry by a global $U(1)'$ and a discrete $\mathbb{Z}_2\otimes \mathbb{Z}_3$. The latter, which is responsible for the radiative origin of the ISS lepton-number-violating parameter, survives the spontaneous breaking of the global $U(1)'$ and, at the same time, ensures the stabilization of the dark sector. The lightest particles carrying non-trivial residual charges are stable, becoming potentially viable dark matter candidates. The model complies with bounds and constraints from neutrino data, collider and high-intensity charged lepton flavor-violating observables, as well as dark matter relic density and direct detection. To efficiently explore the model's high-dimensional parameter space and identify phenomenologically viable regions, we perform a global numerical scan using the MultiNest algorithm.

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Reference graph

Works this paper leans on

163 extracted references · 128 linked inside Pith

  1. [1]

    µ → eγ at a Rate of One Out of 10 9 Muon Decays?,

    P. Minkowski, “ µ → eγ at a Rate of One Out of 10 9 Muon Decays?,” Phys.Lett.B 67 (1977) 421–428

  2. [2]

    Horizontal gauge symmetry and masses of neutrinos,

    T. Yanagida, “Horizontal gauge symmetry and masses of neutrinos,” Conf. Proc. C 7902131 (1979) 95–99

  3. [3]

    The Future of Elementary Particle Physics,

    S. L. Glashow, “The Future of Elementary Particle Physics,” NATO Sci. Ser. B 61 (1980) 687

  4. [4]

    Neutrino Mass and Spontaneous Parity Nonconservation,

    R. N. Mohapatra and G. Senjanovic, “Neutrino Mass and Spontaneous Parity Nonconservation,” Phys. Rev. Lett. 44 (1980) 912

  5. [5]

    Complex Spinors and Unified Theories,

    M. Gell-Mann, P. Ramond, and R. Slansky, “Complex Spinors and Unified Theories,” Conf. Proc. C 790927 (1979) 315–321, arXiv:1306.4669 [hep-th]

  6. [6]

    Neutrino Masses in SU (2) ⊗ U (1) Theories,

    J. Schechter and J. W. F. Valle, “Neutrino Masses in SU (2) ⊗ U (1) Theories,” Phys.Rev.D 22 (1980) 2227

  7. [7]

    Neutrino Decay and Spontaneous Violation of Lepton Number,

    J. Schechter and J. W. F. Valle, “Neutrino Decay and Spontaneous Violation of Lepton Number,” Phys.Rev.D 25 (1982) 774

  8. [8]

    Massless Neutrinos in Left-Right Symmetric Models,

    D. Wyler and L. Wolfenstein, “Massless Neutrinos in Left-Right Symmetric Models,” Nucl. Phys. B 218 (1983) 205–214

  9. [9]

    Neutrino Mass and Baryon Number Nonconservation in Superstring Models,

    R. Mohapatra and J. W. F. Valle, “Neutrino Mass and Baryon Number Nonconservation in Superstring Models,” Phys.Rev.D 34 (1986) 1642

  10. [10]

    Fast Decaying Neutrinos and Observable Flavor Violation in a New Class of Majoron Models,

    M. Gonzalez-Garcia and J. W. F. Valle, “Fast Decaying Neutrinos and Observable Flavor Violation in a New Class of Majoron Models,” Phys.Lett.B 216 (1989) 360–366

  11. [11]

    Fast Decaying Neutrinos and Observable Flavor Violation in a New Class of Majoron Models,

    M. C. Gonzalez-Garcia and J. W. F. Valle, “Fast Decaying Neutrinos and Observable Flavor Violation in a New Class of Majoron Models,” Phys. Lett. B 216 (1989) 360–366

  12. [12]

    Left-right symmetry breaking in NJL approach,

    E. K. Akhmedov et al. , “Left-right symmetry breaking in NJL approach,” Phys.Lett.B 368 (1996) 270–280, arXiv:hep-ph/9507275 [hep-ph]

  13. [13]

    Dynamical left-right symmetry breaking,

    E. K. Akhmedov et al. , “Dynamical left-right symmetry breaking,” Phys.Rev.D 53 (1996) 2752–2780, arXiv:hep-ph/9509255 [hep-ph]

  14. [14]

    Novel supersymmetric SO(10) seesaw mechanism,

    M. Malinsky, J. Romao, and J. W. F. Valle, “Novel supersymmetric SO(10) seesaw mechanism,” Phys.Rev.Lett. 95 (2005) 161801, arXiv:hep-ph/0506296 [hep-ph]

  15. [15]

    Non-unitary neutrino mixing and CP violation in the minimal inverse seesaw model,

    M. Malinsky, T. Ohlsson, Z.-z. Xing, and H. Zhang, “Non-unitary neutrino mixing and CP violation in the minimal inverse seesaw model,” Phys. Lett. B 679 (2009) 242–248, arXiv:0905.2889 [hep-ph]

  16. [16]

    Looking for the minimal inverse seesaw realisation,

    A. Abada and M. Lucente, “Looking for the minimal inverse seesaw realisation,” Nucl. Phys. B 885 (2014) 651–678, arXiv:1401.1507 [hep-ph]. – 32 –

  17. [17]

    Naturalness, chiral symmetry, and spontaneous chiral symmetry breaking,

    G. ’t Hooft, “Naturalness, chiral symmetry, and spontaneous chiral symmetry breaking,” NATO Sci. Ser. B 59 (1980) 135–157

  18. [18]

    Quark Mixings and Mass Hierarchy From Radiative Corrections,

    B. S. Balakrishna, A. L. Kagan, and R. N. Mohapatra, “Quark Mixings and Mass Hierarchy From Radiative Corrections,” Phys. Lett. B 205 (1988) 345–352

  19. [19]

    Radiative Quark and Lepton Masses Through Soft Supersymmetry Breaking,

    E. Ma, “Radiative Quark and Lepton Masses Through Soft Supersymmetry Breaking,” Phys. Rev. D 39 (1989) 1922

  20. [20]

    One Loop Induced Fermion Masses and Exotic Interactions in a Standard Model Context,

    E. Ma, D. Ng, J. T. Pantaleone, and G.-G. Wong, “One Loop Induced Fermion Masses and Exotic Interactions in a Standard Model Context,” Phys. Rev. D 40 (1989) 1586

  21. [21]

    Hierarchical Radiative Quark and Lepton Mass Matrices,

    E. Ma, “Hierarchical Radiative Quark and Lepton Mass Matrices,” Phys. Rev. Lett. 64 (1990) 2866–2869

  22. [22]

    Pathways to naturally small neutrino masses,

    E. Ma, “Pathways to naturally small neutrino masses,” Phys. Rev. Lett. 81 (1998) 1171–1174, arXiv:hep-ph/9805219

  23. [23]

    Radiative seesaw mechanism at weak scale,

    Z.-j. Tao, “Radiative seesaw mechanism at weak scale,” Phys. Rev. D 54 (1996) 5693–5697, arXiv:hep-ph/9603309

  24. [24]

    Verifiable radiative seesaw mechanism of neutrino mass and dark matter,

    E. Ma, “Verifiable radiative seesaw mechanism of neutrino mass and dark matter,” Phys.Rev.D 73 (2006) 077301, arXiv:hep-ph/0601225 [hep-ph]

  25. [25]

    Radiative Neutrino Mass, Dark Matter and Leptogenesis,

    P.-H. Gu and U. Sarkar, “Radiative Neutrino Mass, Dark Matter and Leptogenesis,” Phys. Rev. D 77 (2008) 105031, arXiv:0712.2933 [hep-ph]

  26. [26]

    Fermion Triplet Dark Matter and Radiative Neutrino Mass,

    E. Ma and D. Suematsu, “Fermion Triplet Dark Matter and Radiative Neutrino Mass,” Mod. Phys. Lett. A 24 (2009) 583–589, arXiv:0809.0942 [hep-ph]

  27. [27]

    WIMP dark matter as radiative neutrino mass messenger,

    M. Hirsch et al. , “WIMP dark matter as radiative neutrino mass messenger,” JHEP 10 (2013) 149, arXiv:1307.8134 [hep-ph]

  28. [28]

    A new radiative neutrino mass generation mechanism with higher dimensional scalar representations and custodial symmetry,

    A. Aranda and E. Peinado, “A new radiative neutrino mass generation mechanism with higher dimensional scalar representations and custodial symmetry,” Phys. Lett. B 754 (2016) 11–13, arXiv:1508.01200 [hep-ph]

  29. [29]

    Radiative Neutrino Masses in the Singlet-Doublet Fermion Dark Matter Model with Scalar Singlets,

    D. Restrepo, A. Rivera, M. S´ anchez-Pel´ aez, O. Zapata, and W. Tangarife, “Radiative Neutrino Masses in the Singlet-Doublet Fermion Dark Matter Model with Scalar Singlets,” Phys. Rev. D 92 no. 1, (2015) 013005, arXiv:1504.07892 [hep-ph]

  30. [30]

    The Inert Zee Model,

    R. Longas, D. Portillo, D. Restrepo, and O. Zapata, “The Inert Zee Model,” JHEP 03 (2016) 162, arXiv:1511.01873 [hep-ph]

  31. [31]

    Verifiable Associated Processes from Radiative Lepton Masses with Dark Matter,

    S. Fraser, E. Ma, and M. Zakeri, “Verifiable Associated Processes from Radiative Lepton Masses with Dark Matter,” Phys. Rev. D 93 no. 11, (2016) 115019, arXiv:1511.07458 [hep-ph]

  32. [32]

    Type II Radiative Seesaw Model of Neutrino Mass with Dark Matter,

    S. Fraser, C. Kownacki, E. Ma, and O. Popov, “Type II Radiative Seesaw Model of Neutrino Mass with Dark Matter,” Phys. Rev. D 93 no. 1, (2016) 013021, arXiv:1511.06375 [hep-ph]

  33. [33]

    Radiative linear seesaw model, dark matter, and U (1)B−L,

    W. Wang and Z.-L. Han, “Radiative linear seesaw model, dark matter, and U (1)B−L,” Phys. Rev. D 92 (2015) 095001, arXiv:1508.00706 [hep-ph]

  34. [34]

    Radiative Seesaw-type Mechanism of Fermion Masses and Non-trivial Quark Mixing,

    C. Arbel´ aez, A. E. C´ arcamo Hern´ andez, S. Kovalenko, and I. Schmidt, “Radiative Seesaw-type Mechanism of Fermion Masses and Non-trivial Quark Mixing,” Eur. Phys. J. C 77 no. 6, (2017) 422, arXiv:1602.03607 [hep-ph]. – 33 –

  35. [35]

    Radiative Type III Seesaw Model and its collider phenomenology,

    F. von der Pahlen, G. Palacio, D. Restrepo, and O. Zapata, “Radiative Type III Seesaw Model and its collider phenomenology,” Phys. Rev. D 94 no. 3, (2016) 033005, arXiv:1605.01129 [hep-ph]

  36. [36]

    Radiatively induced Quark and Lepton Mass Model,

    T. Nomura and H. Okada, “Radiatively induced Quark and Lepton Mass Model,” Phys. Lett. B 761 (2016) 190–196, arXiv:1606.09055 [hep-ph]

  37. [37]

    Gauge U (1) dark symmetry and radiative light fermion masses,

    C. Kownacki and E. Ma, “Gauge U (1) dark symmetry and radiative light fermion masses,” Phys. Lett. B 760 (2016) 59–62, arXiv:1604.01148 [hep-ph]

  38. [38]

    Dynamical scotogenic generation of the linear and inverse seesaws,

    A. Abada, A. E. C´ arcamo Hern´ andez, and S. Urrea, “Dynamical scotogenic generation of the linear and inverse seesaws,” JHEP 05 (2026) 086, arXiv:2512.12029 [hep-ph]

  39. [39]

    Loop induced type-II seesaw model and GeV dark matter with U (1)B−L gauge symmetry,

    T. Nomura and H. Okada, “Loop induced type-II seesaw model and GeV dark matter with U (1)B−L gauge symmetry,” Phys. Lett. B 774 (2017) 575–581, arXiv:1704.08581 [hep-ph]

  40. [40]

    Radiative neutrino mass in an alternative U (1)B−L gauge symmetry,

    T. Nomura and H. Okada, “Radiative neutrino mass in an alternative U (1)B−L gauge symmetry,” Nucl. Phys. B 941 (2019) 586–599, arXiv:1705.08309 [hep-ph]

  41. [41]

    Fermion masses and mixings and dark matter constraints in a model with radiative seesaw mechanism,

    N. Bernal, A. E. C´ arcamo Hern´ andez, I. de Medeiros Varzielas, and S. Kovalenko, “Fermion masses and mixings and dark matter constraints in a model with radiative seesaw mechanism,” JHEP 05 (2018) 053, arXiv:1712.02792 [hep-ph]

  42. [42]

    The B − L Scotogenic Models for Dirac Neutrino Masses,

    W. Wang, R. Wang, Z.-L. Han, and J.-Z. Han, “The B − L Scotogenic Models for Dirac Neutrino Masses,” Eur. Phys. J. C 77 no. 12, (2017) 889, arXiv:1705.00414 [hep-ph]

  43. [43]

    Dark matter stability and Dirac neutrinos using only Standard Model symmetries,

    C. Bonilla, S. Centelles-Chuli´ a, R. Cepedello, E. Peinado, and R. Srivastava, “Dark matter stability and Dirac neutrinos using only Standard Model symmetries,” Phys. Rev. D 101 no. 3, (2020) 033011, arXiv:1812.01599 [hep-ph]

  44. [44]

    Minimal radiative Dirac neutrino mass models,

    J. Calle, D. Restrepo, C. E. Yaguna, and O. Zapata, “Minimal radiative Dirac neutrino mass models,” Phys. Rev. D 99 no. 7, (2019) 075008, arXiv:1812.05523 [hep-ph]

  45. [45]

    Phenomenology of scotogenic scalar dark matter,

    I. M. ´Avila, V. De Romeri, L. Duarte, and J. W. F. Valle, “Phenomenology of scotogenic scalar dark matter,” Eur.Phys.J.C 80 (2020) 908, arXiv:1910.08422 [hep-ph]

  46. [46]

    Muon anomalies and theSU (5) Yukawa relations,

    A. E. C´ arcamo Hern´ andez and S. F. King, “Muon anomalies and theSU (5) Yukawa relations,” Phys. Rev. D 99 no. 9, (2019) 095003, arXiv:1803.07367 [hep-ph]

  47. [47]

    Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L,

    C. Alvarado, C. Bonilla, J. Leite, and J. W. F. Valle, “Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L,” Phys. Lett. B 817 (2021) 136292, arXiv:2102.07216 [hep-ph]

  48. [48]

    The simplest scoto-seesaw model: WIMP dark matter phenomenology and Higgs vacuum stability,

    S. Mandal, R. Srivastava, and J. W. F. Valle, “The simplest scoto-seesaw model: WIMP dark matter phenomenology and Higgs vacuum stability,” Phys.Lett.B 819 (2021) 136458, arXiv:2104.13401 [hep-ph]

  49. [49]

    How many 1-loop neutrino mass models are there?,

    C. Arbel´ aez, R. Cepedello, J. C. Helo, M. Hirsch, and S. Kovalenko, “How many 1-loop neutrino mass models are there?,” JHEP 08 (2022) 023, arXiv:2205.13063 [hep-ph]

  50. [50]

    Neutrino masses, flavor anomalies, and muon g-2 from dark loops,

    R. Cepedello, P. Escribano, and A. Vicente, “Neutrino masses, flavor anomalies, and muon g-2 from dark loops,” Phys. Rev. D 107 no. 3, (2023) 035034, arXiv:2209.02730 [hep-ph]

  51. [51]

    Phenomenology of extended multiHiggs doublet models withS4 family symmetry,

    A. E. C´ arcamo Hern´ andez, C. Espinoza, J. C. G´ omez-Izquierdo, J. Marchant Gonz´ alez, and M. Mondrag´ on, “Phenomenology of extended multiHiggs doublet models withS4 family symmetry,” Eur. Phys. J. C 84 no. 11, (2024) 1239, arXiv:2212.12000 [hep-ph]. – 34 –

  52. [52]

    Dynamical scoto-seesaw mechanism with gauged B-L symmetry,

    J. Leite, S. Sadhukhan, and J. W. F. Valle, “Dynamical scoto-seesaw mechanism with gauged B-L symmetry,” Phys. Rev. D 109 no. 3, (2024) 035023, arXiv:2307.04840 [hep-ph]

  53. [53]

    Dirac Scoto inverse-seesaw from A 4 flavor symmetry,

    R. Kumar, N. Nath, R. Srivastava, and S. Yadav, “Dirac Scoto inverse-seesaw from A 4 flavor symmetry,” JHEP 10 (2025) 088, arXiv:2505.01407 [hep-ph]

  54. [54]

    Flavor imprints on novel low mass dark matter,

    R. Kumar, H. K. Prajapati, R. Srivastava, and S. Yadav, “Flavor imprints on novel low mass dark matter,” JHEP 11 (2025) 094, arXiv:2510.02972 [hep-ph]

  55. [55]

    Radiative inverse seesaw mechanism for nonzero neutrino mass,

    E. Ma, “Radiative inverse seesaw mechanism for nonzero neutrino mass,” Phys. Rev. D 80 (2009) 013013, arXiv:0904.4450 [hep-ph]

  56. [56]

    Minimal Dynamical Inverse See Saw,

    F. Bazzocchi, “Minimal Dynamical Inverse See Saw,” Phys. Rev. D 83 (2011) 093009, arXiv:1011.6299 [hep-ph]

  57. [57]

    Inverse seesaw and dark matter in models with exotic lepton triplets,

    S. S. C. Law and K. L. McDonald, “Inverse seesaw and dark matter in models with exotic lepton triplets,” Phys. Lett. B 713 (2012) 490–494, arXiv:1204.2529 [hep-ph]

  58. [58]

    Inverse seesaw neutrino signatures at the LHC and ILC,

    A. Das and N. Okada, “Inverse seesaw neutrino signatures at the LHC and ILC,” Phys. Rev. D 88 (2013) 113001, arXiv:1207.3734 [hep-ph]

  59. [59]

    Fermionic Dark Matter in Radiative Inverse Seesaw Model with U (1)B−L,

    H. Okada and T. Toma, “Fermionic Dark Matter in Radiative Inverse Seesaw Model with U (1)B−L,” Phys. Rev. D 86 (2012) 033011, arXiv:1207.0864 [hep-ph]

  60. [60]

    Scotogenic Inverse Seesaw Model of Neutrino Mass,

    S. Fraser, E. Ma, and O. Popov, “Scotogenic Inverse Seesaw Model of Neutrino Mass,” Phys. Lett. B 737 (2014) 280–282, arXiv:1408.4785 [hep-ph]

  61. [61]

    Dark Radiative Inverse Seesaw Mechanism,

    A. Ahriche, S. M. Boucenna, and S. Nasri, “Dark Radiative Inverse Seesaw Mechanism,” Phys. Rev. D 93 no. 7, (2016) 075036, arXiv:1601.04336 [hep-ph]

  62. [62]

    Fermion masses and mixings in the 3-3-1 model with right-handed neutrinos based on the S3 flavor symmetry,

    A. E. C´ arcamo Hern´ andez, R. Martinez, and F. Ochoa, “Fermion masses and mixings in the 3-3-1 model with right-handed neutrinos based on the S3 flavor symmetry,” Eur. Phys. J. C 76 no. 11, (2016) 634, arXiv:1309.6567 [hep-ph]

  63. [63]

    Generation of a radiative neutrino mass in the linear seesaw framework, charged lepton flavor violation, and dark matter,

    A. Das, T. Nomura, H. Okada, and S. Roy, “Generation of a radiative neutrino mass in the linear seesaw framework, charged lepton flavor violation, and dark matter,” Phys. Rev. D 96 no. 7, (2017) 075001, arXiv:1704.02078 [hep-ph]

  64. [64]

    Predictive Pati-Salam theory of fermion masses and mixing,

    A. E. C´ arcamo Hern´ andez, S. Kovalenko, J. W. F. Valle, and C. Vaquera-Araujo, “Predictive Pati-Salam theory of fermion masses and mixing,” JHEP 07 (2017) 118, arXiv:1705.06320 [hep-ph]

  65. [65]

    Neutrino predictions from a left-right symmetric flavored extension of the standard model,

    A. E. C´ arcamo Hern´ andez, S. Kovalenko, J. W. F. Valle, and C. A. Vaquera-Araujo, “Neutrino predictions from a left-right symmetric flavored extension of the standard model,” JHEP 02 (2019) 065, arXiv:1811.03018 [hep-ph]

  66. [66]

    The first ∆(27) flavor 3-3-1 model with low scale seesaw mechanism,

    A. E. C´ arcamo Hern´ andez, H. N. Long, and V. V. Vien, “The first ∆(27) flavor 3-3-1 model with low scale seesaw mechanism,” Eur. Phys. J. C 78 no. 10, (2018) 804, arXiv:1803.01636 [hep-ph]

  67. [67]

    Neutrino Masses and Mixings Dynamically Generated by a Light Dark Sector,

    E. Bertuzzo, S. Jana, P. A. N. Machado, and R. Zukanovich Funchal, “Neutrino Masses and Mixings Dynamically Generated by a Light Dark Sector,” Phys. Lett. B 791 (2019) 210–214, arXiv:1808.02500 [hep-ph]

  68. [68]

    Dark matter as the origin of neutrino mass in the inverse seesaw mechanism,

    S. Mandal, N. Rojas, R. Srivastava, and J. W. F. Valle, “Dark matter as the origin of neutrino mass in the inverse seesaw mechanism,” Phys.Lett.B 821 (2021) 136609, arXiv:1907.07728 [hep-ph]. – 35 –

  69. [69]

    Constraining a general U(1) ′ inverse seesaw model from vacuum stability, dark matter and collider,

    A. Das, S. Goswami, K. N. Vishnudath, and T. Nomura, “Constraining a general U(1) ′ inverse seesaw model from vacuum stability, dark matter and collider,” Phys. Rev. D 101 no. 5, (2020) 055026, arXiv:1905.00201 [hep-ph]

  70. [70]

    Littlest Inverse Seesaw Model,

    A. E. C´ arcamo Hern´ andez and S. F. King, “Littlest Inverse Seesaw Model,”Nucl. Phys. B 953 (2020) 114950, arXiv:1903.02565 [hep-ph]

  71. [71]

    Viable low-scale model with universal and inverse seesaw mechanisms,

    A. E. C´ arcamo Hern´ andez, J. Marchant Gonz´ alez, and U. J. Salda˜ na Salazar, “Viable low-scale model with universal and inverse seesaw mechanisms,” Phys. Rev. D 100 no. 3, (2019) 035024, arXiv:1904.09993 [hep-ph]

  72. [72]

    A 3-3-1 model with low scale seesaw mechanisms,

    A. E. C´ arcamo Hern´ andez, Y. Hidalgo Vel´ asquez, and N. A. P´ erez-Julve, “A 3-3-1 model with low scale seesaw mechanisms,” Eur. Phys. J. C 79 no. 10, (2019) 828, arXiv:1905.02323 [hep-ph]

  73. [73]

    Minimal model for the fermion flavor structure, mass hierarchy, dark matter, leptogenesis, and the electron and muon anomalous magnetic moments,

    A. E. C´ arcamo Hern´ andez, D. T. Huong, and H. N. Long, “Minimal model for the fermion flavor structure, mass hierarchy, dark matter, leptogenesis, and the electron and muon anomalous magnetic moments,” Phys. Rev. D 102 no. 5, (2020) 055002, arXiv:1910.12877 [hep-ph]

  74. [74]

    A renormalizable left-right symmetric model with low scale seesaw mechanisms,

    A. E. C. Hern´ andez and I. Schmidt, “A renormalizable left-right symmetric model with low scale seesaw mechanisms,” Nucl. Phys. B 976 (2022) 115696, arXiv:2101.02718 [hep-ph]

  75. [75]

    Universal inverse seesaw mechanism as a source of the SM fermion mass hierarchy,

    A. E. C. Hern´ andez, D. T. Huong, and I. Schmidt, “Universal inverse seesaw mechanism as a source of the SM fermion mass hierarchy,” Eur. Phys. J. C 82 no. 1, (2022) 63, arXiv:2109.12118 [hep-ph]

  76. [76]

    Fermion masses and mixings, dark matter, leptogenesis and g − 2 muon anomaly in an extended 2HDM with inverse seesaw,

    A. E. C. Hern´ andez, C. Espinoza, J. C. G´ omez-Izquierdo, and M. Mondrag´ on, “Fermion masses and mixings, dark matter, leptogenesis and g − 2 muon anomaly in an extended 2HDM with inverse seesaw,” Eur. Phys. J. Plus 137 no. 11, (2022) 1224, arXiv:2104.02730 [hep-ph]

  77. [77]

    A radiatively induced inverse seesaw model with hidden U(1) gauge symmetry,

    T. Nomura, H. Okada, and P. Sanyal, “A radiatively induced inverse seesaw model with hidden U(1) gauge symmetry,” Eur. Phys. J. C 82 no. 8, (2022) 697, arXiv:2103.09494 [hep-ph]

  78. [78]

    Fermion masses and mixings and g − 2 muon anomaly in a 3-3-1 model with D4 family symmetry,

    A. E. C. Hern´ andez, H. N. Long, M. L. Mora-Urrutia, N. H. Thao, and V. V. Vien, “Fermion masses and mixings and g − 2 muon anomaly in a 3-3-1 model with D4 family symmetry,” Eur. Phys. J. C 82 no. 8, (2022) 769, arXiv:2104.04559 [hep-ph]

  79. [79]

    Gauged inverse seesaw from dark matter,

    A. Abada, N. Bernal, A. E. C. Hern´ andez, X. Marcano, and G. Piazza, “Gauged inverse seesaw from dark matter,” Eur. Phys. J. C 81 no. 8, (2021) 758, arXiv:2107.02803 [hep-ph]

  80. [80]

    Three-loop inverse scotogenic seesaw models,

    A. Abada, N. Bernal, A. E. C´ arcamo Hern´ andez, S. Kovalenko, and T. B. de Melo, “Three-loop inverse scotogenic seesaw models,” JHEP 05 (2024) 035, arXiv:2312.14105 [hep-ph]

Showing first 80 references.