pith. sign in

arxiv: 2606.11517 · v1 · pith:ZB5R2YAZnew · submitted 2026-06-09 · ✦ hep-ph

Probing TeV-Scale Inverse-Seesaw Leptogenesis and Majorana Dark Matter in U(1)_(B-L) Models at Multi-TeV Muon Colliders

Pith reviewed 2026-06-27 12:09 UTC · model grok-4.3

classification ✦ hep-ph
keywords inverse seesawU(1) B-LleptogenesisMajorana dark mattermuon colliderheavy neutrinosmissing energy signatures
0
0 comments X

The pith

A narrow parameter region in U(1)_{B-L} inverse-seesaw models correlates TeV-scale leptogenesis, Majorana dark matter, and observable collider signatures.

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

The paper constructs a U(1)_{B-L} extension where a complex scalar and sterile fermion implement an inverse-seesaw that simultaneously accounts for light neutrino masses, the baryon asymmetry, and the dark-matter relic density. A higher-dimensional operator supplies the small lepton-number violation needed for light neutrinos while keeping heavy neutrinos and the dark-matter fermion at the TeV scale with sizable mixing. The same scalar and gauge interactions govern both the leptogenesis yield and the dark-matter annihilation rate, producing a direct link between the two phenomena. Benchmark points that survive neutrino data, lepton-flavor-violation bounds, direct-detection limits, and existing collider constraints are shown to yield distinctive 2ℓ + missing-energy and 1ℓ + 2j + missing-energy signals at a multi-TeV muon collider.

Core claim

Within the U(1)_{B-L} framework the vacuum expectation value of the complex scalar φ simultaneously sets the masses of the heavy neutrinos N_{1,2} and the Majorana dark-matter fermion χ through Yukawa couplings; a higher-dimensional operator induces the small lepton-number-violating parameter that generates light active neutrinos together with TeV-scale heavy states and sizable active-sterile mixing, while the same scalar and gauge-mediated channels fix both the observed dark-matter density and the baryon asymmetry.

What carries the argument

Inverse-seesaw realized by sterile fermion S1 and complex scalar φ whose vacuum expectation value generates heavy-neutrino and dark-matter masses via Yukawa couplings, with the lepton-number-violating scale set by a higher-dimensional operator.

If this is right

  • Heavy-neutrino production cross sections are fixed by the same mixing angles required by neutrino oscillation data.
  • The dark-matter direct-detection rate is directly tied to the gauge coupling that also controls the Z' mass.
  • Successful leptogenesis fixes the allowed range of the scalar mass and its couplings to the dark-matter fermion.
  • The model predicts correlated signals in both dilepton and single-lepton plus jets channels at the same collider energy.

Where Pith is reading between the lines

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

  • If the signatures appear, the same data set could be used to extract the active-sterile mixing angles and thereby test the inverse-seesaw suppression mechanism.
  • The narrow surviving region suggests that a combined analysis of muon-collider and future direct-detection experiments could over-constrain the scalar and gauge couplings.
  • The framework could be extended to include additional sterile states without altering the collider signatures provided the new states remain heavier than the TeV scale.

Load-bearing premise

The relic abundance of the Majorana dark-matter fermion is set solely by annihilation through the scalar and new gauge boson, with no other processes or co-annihilations contributing at a comparable level.

What would settle it

Absence of the predicted 2ℓ + E_T and 1ℓ + 2j + E_T event rates in the benchmark parameter region at a multi-TeV muon collider would rule out the correlated inverse-seesaw leptogenesis plus dark-matter scenario.

read the original abstract

We investigate a predictive and testable framework in which dark matter (DM), heavy-neutrino dynamics, and the BAU originate from correlated interactions within a local $U(1)_{B-L}$ extension of the SM. Unlike conventional $B-L$ constructions based on the type-I seesaw, we employ an inverse-seesaw mechanism realized through a sterile fermion $S_{1}$ and a complex scalar field $\phi$, whose vacuum expectation value simultaneously generates the masses of the heavy neutrinos $N_{1,2}$ and the Majorana DM fermion $\chi$ via Yukawa couplings. The small lepton-number-violating parameter induced by a higher-dimensional operator leads to naturally light active neutrinos together with TeV-scale heavy neutrinos and sizable active-sterile mixing, yielding distinctive collider signatures unavailable in minimal $B-L$ models. The relic abundance of $\chi$ is governed by annihilation channels mediated by the same scalar and gauge interactions, producing a direct and model-specific correlation between successful leptogenesis and the observed DM relic density. A combined parameter-space analysis incorporating neutrino oscillation data, lepton-flavor-violating processes, direct-detection limits, and collider bounds on $N_{1,2}$ and $Z^\prime$ reveals a narrow yet robust region consistent with all these constraints. Representative benchmark points in this region are examined at a future multi-TeV muon collider. Heavy-neutrino production through electroweak processes yields striking signatures in the dilepton plus missing energy ($2\ell + E\!\!\!/_T$) and single-lepton plus di-jet plus missing energy ($1\ell + 2j + E\!\!\!/_T$) final states. These channels demonstrate that next-generation muon colliders offer a powerful and complementary probe of the inverse-seesaw origin of neutrino masses, the DM relic density, and the TeV-scale leptogenesis within such an extended $U(1)_{B-L}$ framework.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript explores a U(1)_{B-L} extension incorporating an inverse-seesaw mechanism via sterile fermion S1 and scalar φ, generating light neutrinos, TeV-scale heavy Majorana neutrinos N1,2 with sizable mixing, and Majorana DM fermion χ. It asserts that χ relic density arises solely from φ- and Z'-mediated annihilations, yielding a direct correlation with successful leptogenesis; a combined scan identifies a narrow parameter region consistent with neutrino data, LFV bounds, direct detection, and collider limits, producing observable 2ℓ + ET and 1ℓ + 2j + ET signatures from N1,2 production at multi-TeV muon colliders.

Significance. If the central assumptions on annihilation channels hold without significant co-annihilations, the work provides a concrete, model-specific link between DM relic density, leptogenesis, and neutrino mass generation that is directly testable via distinctive collider signatures unavailable in minimal B-L models. The inverse-seesaw realization enabling TeV-scale N1,2 with observable mixing is a notable feature for future muon collider phenomenology.

major comments (2)
  1. [Abstract and DM relic density section] The claim of a 'direct and model-specific correlation' between leptogenesis and observed DM relic density (abstract) rests on the assertion that χ annihilation proceeds exclusively via φ- and Z'-mediated channels. However, with both m_χ and m_{N1,2} at the TeV scale, co-annihilation processes (e.g., χN → Wℓ, Zν) could contribute to the effective cross section in the Boltzmann equation, altering the required Yukawa couplings and potentially excluding the reported narrow region. An explicit demonstration that such contributions are negligible (e.g., via mass hierarchy or Boltzmann solver output) is required for the correlation to be robust.
  2. [Parameter space analysis] The parameter-space analysis is described as yielding a 'narrow yet robust region' after incorporating neutrino oscillation data, LFV, direct detection, and collider bounds. If this region is obtained by scanning to match observed densities rather than deriving them independently, the correlation reduces to a fit; the manuscript should clarify whether any parameter-free predictions or falsifiable relations survive after the scan.
minor comments (2)
  1. [Model Lagrangian] Notation for the higher-dimensional lepton-number-violating operator and the resulting small parameter should be defined explicitly with its coefficient and scale.
  2. [Collider signatures] Benchmark points for the muon collider analysis should include explicit values of the active-sterile mixing angles and branching ratios to allow reproduction of the 2ℓ + ET and 1ℓ + 2j + ET rates.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive comments, which help clarify the robustness of our results. We address each major comment below and indicate the revisions we will make.

read point-by-point responses
  1. Referee: [Abstract and DM relic density section] The claim of a 'direct and model-specific correlation' between leptogenesis and observed DM relic density (abstract) rests on the assertion that χ annihilation proceeds exclusively via φ- and Z'-mediated channels. However, with both m_χ and m_{N1,2} at the TeV scale, co-annihilation processes (e.g., χN → Wℓ, Zν) could contribute to the effective cross section in the Boltzmann equation, altering the required Yukawa couplings and potentially excluding the reported narrow region. An explicit demonstration that such contributions are negligible (e.g., via mass hierarchy or Boltzmann solver output) is required for the correlation to be robust.

    Authors: We agree that an explicit verification of the negligible role of co-annihilations is necessary to support the claimed correlation. In the model, the mass of the DM fermion χ is set by the same VEV of φ that generates the heavy neutrino masses, but the Yukawa couplings are chosen such that m_χ lies below m_{N1,2} throughout the viable parameter space, leading to Boltzmann suppression of co-annihilation channels. The small active-sterile mixing further reduces the relevant couplings. To make this robust, we will add in the revised manuscript an explicit estimate (using the mass hierarchy and a sample Boltzmann-equation evaluation) showing that co-annihilation contributions remain below the percent level in the reported region. revision: yes

  2. Referee: [Parameter space analysis] The parameter-space analysis is described as yielding a 'narrow yet robust region' after incorporating neutrino oscillation data, LFV, direct detection, and collider bounds. If this region is obtained by scanning to match observed densities rather than deriving them independently, the correlation reduces to a fit; the manuscript should clarify whether any parameter-free predictions or falsifiable relations survive after the scan.

    Authors: The scan identifies the intersection of all experimental constraints, but the underlying correlation between leptogenesis and DM relic density is not a fit: it follows directly from the fact that the same scalar φ and gauge interactions control both the CP-violating out-of-equilibrium decays of N_{1,2} and the s-channel annihilations of χ. This structure yields parameter-independent, falsifiable predictions for the collider signatures (2ℓ + E_T and 1ℓ + 2j + E_T) at multi-TeV muon colliders that are absent in minimal B-L models. We will add a clarifying paragraph in the parameter-space section emphasizing these model-specific relations that survive after the scan. revision: partial

Circularity Check

0 steps flagged

No circularity; shared interactions yield model-level correlation independent of fits

full rationale

The derivation rests on the model Lagrangian where the same scalar φ and U(1)_{B-L} gauge interactions mediate both the inverse-seesaw leptogenesis and the χ annihilation channels; this structural feature produces the stated correlation without requiring the observed relic density as an input to the equations. The subsequent parameter-space scan identifies viable regions consistent with external data (neutrino oscillations, LFV bounds, direct detection, collider limits) but does not redefine any derived quantity as a prediction of itself. No self-citations, ansatze smuggled via prior work, or uniqueness theorems appear in the text. The analysis is therefore self-contained against external benchmarks.

Axiom & Free-Parameter Ledger

3 free parameters · 2 axioms · 5 invented entities

The model rests on multiple new particles and couplings introduced without independent evidence; the central correlation is achieved by fitting several free parameters to observed densities and oscillation data.

free parameters (3)
  • Yukawa couplings of N_{1,2} and χ to φ
    Multiple Yukawa strengths fitted to reproduce neutrino masses, active-sterile mixing, DM relic density, and leptogenesis yield.
  • VEV of complex scalar φ
    Scale chosen to place heavy neutrinos and DM at TeV while satisfying collider bounds.
  • Lepton-number-violating coefficient from higher-dimensional operator
    Small parameter tuned to generate sub-eV active neutrinos while keeping TeV-scale heavy states.
axioms (2)
  • domain assumption U(1)_{B-L} is a local gauge symmetry spontaneously broken at the TeV scale
    Core assumption enabling the Z' and the scalar VEV mechanism.
  • domain assumption Inverse-seesaw structure with one sterile fermion S_1 generates the observed neutrino spectrum
    Invoked to obtain light neutrinos plus sizable mixing without fine-tuning.
invented entities (5)
  • Sterile fermion S_1 no independent evidence
    purpose: Realizes inverse seesaw
    New fermion required for the mass-generation mechanism.
  • Complex scalar φ no independent evidence
    purpose: Breaks U(1)_{B-L} and generates masses
    New scalar whose VEV sets TeV-scale masses.
  • Majorana fermion χ no independent evidence
    purpose: Dark matter candidate
    Postulated stable Majorana particle whose relic density is tied to leptogenesis.
  • Heavy Majorana neutrinos N_{1,2} no independent evidence
    purpose: TeV-scale states for leptogenesis and collider signals
    Introduced as part of the inverse-seesaw spectrum.
  • Z' gauge boson no independent evidence
    purpose: Mediates new interactions
    Gauge boson from U(1)_{B-L} breaking.

pith-pipeline@v0.9.1-grok · 5919 in / 1806 out tokens · 27808 ms · 2026-06-27T12:09:55.521149+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Forward citations

Cited by 1 Pith paper

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

  1. New Avenues of Heavy Neutral Lepton at Muon Collider

    hep-ph 2026-06 unverdicted novelty 4.0

    In a U(1) gauged seesaw model, Z'Z' fusion processes at muon colliders enable HNL pair production via Z'Z'→H→NN and Z'Z'→NN, yielding LNV signals not suppressed by Higgs mixing.

Reference graph

Works this paper leans on

109 extracted references · 73 linked inside Pith · cited by 1 Pith paper

  1. [1]

    ATLAS collaboration, Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC , Phys. Lett. B 716 (2012) 1 [1207.7214]

  2. [2]

    CMS collaboration, Observation of a New Boson at a Mass of 125 GeV with the CMS Experiment at the LHC , Phys. Lett. B 716 (2012) 30 [1207.7235]

  3. [3]

    Higgs, Broken Symmetries and the Masses of Gauge Bosons , Phys

    P.W. Higgs, Broken Symmetries and the Masses of Gauge Bosons , Phys. Rev. Lett. 13 (1964) 508

  4. [4]

    Englert and R

    F. Englert and R. Brout, Broken Symmetry and the Mass of Gauge Vector Mesons , Phys. Rev. Lett. 13 (1964) 321

  5. [5]

    Guralnik, C.R

    G.S. Guralnik, C.R. Hagen and T.W.B. Kibble, Global Conservation Laws and Massless Particles, Phys. Rev. Lett. 13 (1964) 585

  6. [6]

    Higgs, Spontaneous Symmetry Breakdown without Massless Bosons , Phys

    P.W. Higgs, Spontaneous Symmetry Breakdown without Massless Bosons , Phys. Rev. 145 (1966) 1156

  7. [7]

    Super-Kamiokande collaboration, Evidence for oscillation of atmospheric neutrinos , Phys. Rev. Lett. 81 (1998) 1562 [hep-ex/9807003]

  8. [8]

    SNO collaboration, Direct evidence for neutrino flavor transformation from neutral current interactions in the Sudbury Neutrino Observatory , Phys. Rev. Lett. 89 (2002) 011301 [nucl-ex/0204008]

  9. [10]

    Minkowski, µ → eγ at a Rate of One Out of 109 Muon Decays?, Phys

    P. Minkowski, µ → eγ at a Rate of One Out of 109 Muon Decays?, Phys. Lett. B 67 (1977) 421

  10. [11]

    Mohapatra and G

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

  11. [12]

    Schechter and J.W.F

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

  12. [13]

    Schechter and J.W.F

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

  13. [14]

    Mohapatra et al., Theory of Neutrinos: A White Paper , Rept

    R.N. Mohapatra et al., Theory of Neutrinos: A White Paper , Rept. Prog. Phys. 70 (2007) 1757 [hep-ph/0510213]

  14. [15]

    Drewes, The Phenomenology of Right Handed Neutrinos , Int

    M. Drewes, The Phenomenology of Right Handed Neutrinos , Int. J. Mod. Phys. E 22 (2013) 1330019 [1303.6912]

  15. [16]

    Mohapatra, Mechanism for Understanding Small Neutrino Mass in Superstring Theories, Phys

    R.N. Mohapatra, Mechanism for Understanding Small Neutrino Mass in Superstring Theories, Phys. Rev. Lett. 56 (1986) 561

  16. [17]

    Mohapatra and J.W.F

    R.N. Mohapatra and J.W.F. Valle, Neutrino Mass and Baryon Number Nonconservation in Superstring Models, Phys. Rev. D 34 (1986) 1642 . – 25 –

  17. [18]

    Bernabeu, A

    J. Bernabeu, A. Santamaria, J. Vidal, A. Mendez and J.W.F. Valle, Lepton Flavor Nonconservation at High-Energies in a Superstring Inspired Standard Model , Phys. Lett. B 187 (1987) 303

  18. [19]

    Gavela, T

    M.B. Gavela, T. Hambye, D. Hernandez and P. Hernandez, Minimal Flavour Seesaw Models, JHEP 09 (2009) 038 [0906.1461]

  19. [20]

    Parida and A

    M.K. Parida and A. Raychaudhuri, Inverse see-saw, leptogenesis, observable proton decay and ∆±± R in SUSY SO(10) with heavy W_R , Phys. Rev. D 82 (2010) 093017 [1007.5085]

  20. [21]

    Garayoa, M.C

    J. Garayoa, M.C. Gonzalez-Garcia and N. Rius, Soft leptogenesis in the inverse seesaw model, JHEP 02 (2007) 021 [hep-ph/0611311]

  21. [22]

    Abada and M

    A. Abada and M. Lucente, Looking for the minimal inverse seesaw realisation , Nucl. Phys. B 885 (2014) 651 [1401.1507]

  22. [23]

    Law and K.L

    S.S.C. Law and K.L. McDonald, Generalized inverse seesaw mechanisms , Phys. Rev. D 87 (2013) 113003 [1303.4887]

  23. [24]

    Nguyen, T.T

    T.P. Nguyen, T.T. Thuc, D.T. Si, T.T. Hong and L.T. Hue, Low energy phenomena of the lepton sector in an A4 symmetry model with heavy inverse seesaw neutrinos , 2011.12181

  24. [25]

    Asaka and M

    T. Asaka and M. Shaposhnikov, The νMSM, dark matter and baryon asymmetry of the universe, Phys. Lett. B 620 (2005) 17 [hep-ph/0505013]

  25. [26]

    Ma, Common origin of neutrino mass, dark matter, and baryogenesis , Mod

    E. Ma, Common origin of neutrino mass, dark matter, and baryogenesis , Mod. Phys. Lett. A 21 (2006) 1777 [hep-ph/0605180]

  26. [27]

    Falkowski, J.T

    A. Falkowski, J.T. Ruderman and T. Volansky, Asymmetric Dark Matter from Leptogenesis , JHEP 05 (2011) 106 [1101.4936]

  27. [28]

    Falkowski, E

    A. Falkowski, E. Kuflik, N. Levi and T. Volansky, Light Dark Matter from Leptogenesis , Phys. Rev. D 99 (2019) 015022 [1712.07652]

  28. [29]

    Hugle, M

    T. Hugle, M. Platscher and K. Schmitz, Low-Scale Leptogenesis in the Scotogenic Neutrino Mass Model , Phys. Rev. D 98 (2018) 023020 [1804.09660]

  29. [30]

    Chianese, B

    M. Chianese, B. Fu and S.F. King, Minimal Seesaw extension for Neutrino Mass and Mixing, Leptogenesis and Dark Matter: FIMPzillas through the Right-Handed Neutrino Portal, JCAP 03 (2020) 030 [1910.12916]

  30. [31]

    Liu, Z.-L

    A. Liu, Z.-L. Han, Y. Jin and F.-X. Yang, Leptogenesis and dark matter from a low scale seesaw mechanism, Phys. Rev. D 101 (2020) 095005 [2001.04085]

  31. [32]

    Fukugita and T

    M. Fukugita and T. Yanagida, Baryogenesis Without Grand Unification , Phys. Lett. B 174 (1986) 45

  32. [33]

    L. Covi, E. Roulet and F. Vissani, CP violating decays in leptogenesis scenarios , Phys. Lett. B 384 (1996) 169 [hep-ph/9605319]

  33. [34]

    Roulet, L

    E. Roulet, L. Covi and F. Vissani, On the CP asymmetries in Majorana neutrino decays , Phys. Lett. B 424 (1998) 101 [hep-ph/9712468]

  34. [35]

    Pilaftsis, CP violation and baryogenesis due to heavy Majorana neutrinos , Phys

    A. Pilaftsis, CP violation and baryogenesis due to heavy Majorana neutrinos , Phys. Rev. D 56 (1997) 5431 [hep-ph/9707235]

  35. [36]

    Buchmuller, R.D

    W. Buchmuller, R.D. Peccei and T. Yanagida, Leptogenesis as the origin of matter , Ann. Rev. Nucl. Part. Sci. 55 (2005) 311 [hep-ph/0502169]. – 26 –

  36. [37]

    Chun and K

    E.J. Chun and K. Turzynski, Quasi-degenerate neutrinos and leptogenesis from L(mu) - L(tau), Phys. Rev. D 76 (2007) 053008 [hep-ph/0703070]

  37. [38]

    Kitabayashi, Remark on the minimal seesaw model and leptogenesis with tri/bi-maximal mixing, Phys

    T. Kitabayashi, Remark on the minimal seesaw model and leptogenesis with tri/bi-maximal mixing, Phys. Rev. D 76 (2007) 033002 [hep-ph/0703303]

  38. [39]

    Martinez-Prieto, D

    C. Martinez-Prieto, D. Delepine and L.A. Urena-Lopez, Leptogenesis and Reheating in Complex Hybrid Inflation , Phys. Rev. D 81 (2010) 036001 [0908.2436]

  39. [40]

    Suematsu, Thermal Leptogenesis in a TeV Scale Model for Neutrino Masses , Eur

    D. Suematsu, Thermal Leptogenesis in a TeV Scale Model for Neutrino Masses , Eur. Phys. J. C 72 (2012) 1951 [1103.0857]

  40. [41]

    Aristizabal Sierra, F

    D. Aristizabal Sierra, F. Bazzocchi and I. de Medeiros Varzielas, Leptogenesis in flavor models with type I and II seesaws , Nucl. Phys. B 858 (2012) 196 [1112.1843]

  41. [42]

    Hambye, Leptogenesis: beyond the minimal type I seesaw scenario , New J

    T. Hambye, Leptogenesis: beyond the minimal type I seesaw scenario , New J. Phys. 14 (2012) 125014 [1212.2888]

  42. [43]

    Kashiwase and D

    S. Kashiwase and D. Suematsu, Leptogenesis and dark matter detection in a TeV scale neutrino mass model with inverted mass hierarchy , Eur. Phys. J. C 73 (2013) 2484 [1301.2087]

  43. [44]

    Borah and M.K

    D. Borah and M.K. Das, Neutrino Masses and Leptogenesis in Type I and Type II Seesaw Models, Phys. Rev. D 90 (2014) 015006 [1303.1758]

  44. [45]

    Hamada and K

    Y. Hamada and K. Kawana, Reheating-era leptogenesis, Phys. Lett. B 763 (2016) 388 [1510.05186]

  45. [46]

    Zhao, Renormalization group evolution induced leptogenesis in the minimal seesaw model with the trimaximal mixing and mu-tau reflection symmetry , JHEP 11 (2021) 170 [2003.00654]

    Z.-h. Zhao, Renormalization group evolution induced leptogenesis in the minimal seesaw model with the trimaximal mixing and mu-tau reflection symmetry , JHEP 11 (2021) 170 [2003.00654]

  46. [47]

    Davidson, E

    S. Davidson, E. Nardi and Y. Nir, Leptogenesis, Phys. Rept. 466 (2008) 105 [0802.2962]

  47. [48]

    Blanchet and P

    S. Blanchet and P. Di Bari, The minimal scenario of leptogenesis , New J. Phys. 14 (2012) 125012 [1211.0512]

  48. [49]

    Manton, Topology in the Weinberg-Salam Theory , Phys

    N.S. Manton, Topology in the Weinberg-Salam Theory , Phys. Rev. D 28 (1983) 2019

  49. [50]

    Klinkhamer and N.S

    F.R. Klinkhamer and N.S. Manton, A Saddle Point Solution in the Weinberg-Salam Theory , Phys. Rev. D 30 (1984) 2212

  50. [51]

    Kuzmin, V.A

    V.A. Kuzmin, V.A. Rubakov and M.E. Shaposhnikov, On the Anomalous Electroweak Baryon Number Nonconservation in the Early Universe , Phys. Lett. B 155 (1985) 36

  51. [52]

    Khlebnikov and M.E

    S.Y. Khlebnikov and M.E. Shaposhnikov, The Statistical Theory of Anomalous Fermion Number Nonconservation, Nucl. Phys. B 308 (1988) 885

  52. [53]

    Harvey and M.S

    J.A. Harvey and M.S. Turner, Cosmological Baryon and Lepton Number in the Presence of Electroweak Fermion Number Violation , Phys. Rev. D 42 (1990) 3344

  53. [54]

    Davidson and A

    S. Davidson and A. Ibarra, A Lower bound on the right-handed neutrino mass from leptogenesis, Phys. Lett. B 535 (2002) 25 [hep-ph/0202239]

  54. [55]

    Flanz, E.A

    M. Flanz, E.A. Paschos, U. Sarkar and J. Weiss, Baryogenesis through mixing of heavy Majorana neutrinos , Phys. Lett. B 389 (1996) 693 [hep-ph/9607310]

  55. [56]

    Pilaftsis, Resonant CP violation induced by particle mixing in transition amplitudes , Nucl

    A. Pilaftsis, Resonant CP violation induced by particle mixing in transition amplitudes , Nucl. Phys. B 504 (1997) 61 [hep-ph/9702393]. – 27 –

  56. [57]

    Pilaftsis and T.E.J

    A. Pilaftsis and T.E.J. Underwood, Resonant leptogenesis, Nucl. Phys. B 692 (2004) 303 [hep-ph/0309342]

  57. [58]

    B. Dev, M. Garny, J. Klaric, P. Millington and D. Teresi, Resonant enhancement in leptogenesis, Int. J. Mod. Phys. A 33 (2018) 1842003 [1711.02863]

  58. [59]

    Chakraborty, H

    I. Chakraborty, H. Roy and T. Srivastava, Resonant leptogenesis in (2,2) inverse see-saw realisation, Nucl. Phys. B 979 (2022) 115780 [2106.08232]

  59. [60]

    Chakraborty, H

    I. Chakraborty, H. Roy and T. Srivastava, Searches for heavy neutrinos at multi-TeV muon collider: a resonant leptogenesis perspective , Eur. Phys. J. C 83 (2023) 280 [2206.07037]

  60. [61]

    Deppisch, P.S

    F.F. Deppisch, P.S. Bhupal Dev and A. Pilaftsis, Neutrinos and Collider Physics , New J. Phys. 17 (2015) 075019 [1502.06541]

  61. [62]

    Y. Cai, T. Han, T. Li and R. Ruiz, Lepton Number Violation: Seesaw Models and Their Collider Tests , Front. in Phys. 6 (2018) 40 [1711.02180]

  62. [63]

    de Gouvea and P

    A. de Gouvea and P. Vogel, Lepton Flavor and Number Conservation, and Physics Beyond the Standard Model , Prog. Part. Nucl. Phys. 71 (2013) 75 [1303.4097]

  63. [64]

    Alekhin et al., A facility to Search for Hidden Particles at the CERN SPS: the SHiP physics case , Rept

    S. Alekhin et al., A facility to Search for Hidden Particles at the CERN SPS: the SHiP physics case , Rept. Prog. Phys. 79 (2016) 124201 [1504.04855]

  64. [65]

    Bertone, D

    G. Bertone, D. Hooper and J. Silk, Particle dark matter: Evidence, candidates and constraints, Phys. Rept. 405 (2005) 279 [hep-ph/0404175]

  65. [66]

    Cirelli, A

    M. Cirelli, A. Strumia and J. Zupan, Dark Matter , 2406.01705

  66. [67]

    Planck collaboration, Planck 2018 results. VI. Cosmological parameters , Astron. Astrophys. 641 (2020) A6 [1807.06209]

  67. [68]

    Liu, F.-L

    A. Liu, F.-L. Shao, Z.-L. Han, Y. Jin and H. Li, Common origin of dark matter and leptogenesis in U(1) B−L, JHEP 10 (2024) 019 [2407.19730]

  68. [69]

    Marshak and R.N

    R.E. Marshak and R.N. Mohapatra, Quark - Lepton Symmetry and B-L as the U(1) Generator of the Electroweak Symmetry Group , Phys. Lett. B 91 (1980) 222

  69. [70]

    Mohapatra and R.E

    R.N. Mohapatra and R.E. Marshak, Local B-L Symmetry of Electroweak Interactions, Majorana Neutrinos and Neutron Oscillations , Phys. Rev. Lett. 44 (1980) 1316

  70. [71]

    Okada and O

    N. Okada and O. Seto, Higgs portal dark matter in the minimal gauged U (1)B−L model, Phys. Rev. D 82 (2010) 023507 [1002.2525]

  71. [72]

    Escudero, N

    M. Escudero, N. Rius and V. Sanz, Sterile neutrino portal to Dark Matter I: The U (1)B−L case, JHEP 02 (2017) 045 [1606.01258]

  72. [73]

    Okada, Z ′ Portal Dark Matter in the Minimal B − L Model, Adv

    S. Okada, Z ′ Portal Dark Matter in the Minimal B − L Model, Adv. High Energy Phys. 2018 (2018) 5340935 [1803.06793]

  73. [74]

    S. Iso, N. Okada and Y. Orikasa, Resonant Leptogenesis in the Minimal B-L Extended Standard Model at TeV , Phys. Rev. D 83 (2011) 093011 [1011.4769]

  74. [75]

    Heeck and D

    J. Heeck and D. Teresi, Leptogenesis and neutral gauge bosons , Phys. Rev. D 94 (2016) 095024 [1609.03594]

  75. [76]

    Dev, R.N

    P.S.B. Dev, R.N. Mohapatra and Y. Zhang, Leptogenesis constraints on B − L breaking Higgs boson in TeV scale seesaw models , JHEP 03 (2018) 122 [1711.07634]

  76. [77]

    T. Han, S. Li, S. Su, W. Su and Y. Wu, Heavy Higgs bosons in 2HDM at a muon collider , Phys. Rev. D 104 (2021) 055029 [2102.08386]. – 28 –

  77. [78]

    Esteban, M.C

    I. Esteban, M.C. Gonzalez-Garcia, M. Maltoni, I. Martinez-Soler, J.P. Pinheiro and T. Schwetz, NuFit-6.0: updated global analysis of three-flavor neutrino oscillations , JHEP 12 (2024) 216 [2410.05380]

  78. [79]

    MEG collaboration, Search for the lepton flavour violating decay µ+ → e+γ with the full dataset of the MEG experiment , Eur. Phys. J. C 76 (2016) 434 [1605.05081]

  79. [80]

    BaBar collaboration, Searches for Lepton Flavor Violation in the Decays τ ± → e±γ and τ ± → µ±γ, Phys. Rev. Lett. 104 (2010) 021802 [0908.2381]

  80. [81]

    Plumacher, Baryogenesis and lepton number violation , Z

    M. Plumacher, Baryogenesis and lepton number violation , Z. Phys. C 74 (1997) 549 [hep-ph/9604229]

Showing first 80 references.