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arxiv: 2606.25050 · v1 · pith:L2BQO44Cnew · submitted 2026-06-23 · ✦ hep-ph

Probing Scalar Non-Standard Neutrino Interactions using High-Energy Astrophysical Neutrinos

Pith reviewed 2026-06-25 22:52 UTC · model grok-4.3

classification ✦ hep-ph
keywords scalar non-standard interactionsneutrino oscillationsastrophysical neutrinosIceCubepseudo-Dirac neutrinosactive-sterile splittingYukawa couplings
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0 comments X

The pith

Scalar non-standard neutrino interactions produce small active-sterile mass splittings that change the flavor and energy distribution of high-energy astrophysical neutrinos.

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

The paper shows that scalar non-standard interactions modify the neutrino mass matrix and create tiny active-sterile mass splittings through matter effects from the relic neutrino background in a Majorana-type setup. This produces pseudo-Dirac neutrino behavior whose effects appear in the flavor composition and spectral shape of astrophysical neutrinos. Flavor ratio measurements and spectral analyses of IceCube track, cascade, and point-source data are then used to exclude regions of Yukawa coupling and scalar mass parameter space. The same methods applied to projected IceCube-Gen2 sensitivity extend the reach to ultra-light mediators.

Core claim

Scalar non-standard interaction of neutrinos contributes as modifications to the neutrino mass matrix in the oscillation Hamiltonian and can induce a small active-sterile mass splitting due to the matter effect induced by the relic neutrino background via a Majorana-type interaction. This framework leads to pseudo-Dirac behavior of neutrinos, introducing rich phenomenology in neutrino oscillations, particularly for high-energy astrophysical neutrinos. These hyperfine active-sterile splittings imprint themselves in two complementary ways on high-energy astrophysical neutrino flux, namely, in modifying the flavor composition and energy distribution. Flavor and spectral analyses of IceCube data

What carries the argument

The small active-sterile mass splitting induced by scalar non-standard interactions through the matter effect of the relic neutrino background.

If this is right

  • Deviations in flavor ratios from the standard 1:1:1 expectation at Earth can be used to bound the SNSI parameters with current IceCube data.
  • Spectral distortions in both diffuse-flux track and cascade samples plus point-source spectra supply independent constraints on the same parameters.
  • The combined flavor-plus-spectral analysis produces stronger exclusions than either method alone.
  • Projected IceCube-Gen2 statistics will tighten the bounds on ultra-light scalar mediators by roughly an order of magnitude.

Where Pith is reading between the lines

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

  • The same relic-background-induced splitting mechanism could be searched for in other high-statistics neutrino telescopes or in multi-messenger coincidence studies.
  • If the relic neutrino density deviates from the standard cosmological value, the size of the induced splitting would scale accordingly and alter the excluded regions.
  • The pseudo-Dirac propagation effect over cosmic baselines may connect to other long-baseline neutrino observables not yet examined in this framework.

Load-bearing premise

The relic neutrino background induces a matter effect via a Majorana-type scalar non-standard interaction that produces a small active-sterile mass splitting.

What would settle it

A set of high-energy astrophysical neutrino events whose measured flavor ratios and energy spectra match standard three-flavor expectations without the deviations predicted for given values of Yukawa coupling and scalar mass would exclude those SNSI parameter values.

read the original abstract

Scalar non-standard interaction (SNSI) of neutrinos contributes as modifications to the neutrino mass matrix in the oscillation Hamiltonian and can induce a small active-sterile mass splitting due to the matter effect induced by the relic neutrino background via a Majorana-type interaction. This framework leads to pseudo-Dirac behavior of neutrinos, introducing rich phenomenology in neutrino oscillations, particularly for high-energy astrophysical neutrinos. We show that these hyperfine active-sterile splittings imprint themselves in two complementary ways on high-energy astrophysical neutrino flux, namely, in modifying the flavor composition and energy distribution. In this work, we perform both flavor and spectral analyses of the high-energy astrophysical neutrino flux to probe SNSI. We confront the predicted flavor ratios with current IceCube measurements and with the projected reach of next-generation detectors such as IceCube-Gen2. For the spectral analysis, we use the diffuse-flux ESTES (tracks) and cascade data sets, together with point-source spectral shape analysis based on a recent catalog of neutrino-bright sources. The regions excluded by the combined flavor and spectral analyses are translated into limits on the underlying SNSI parameters, namely, Yukawa couplings and scalar mass, providing new sensitivities on the SNSI parameter space for ultra-light mediators.

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

1 major / 2 minor

Summary. The paper claims that scalar non-standard neutrino interactions (SNSI) with a Majorana-type coupling to the relic neutrino background induce a small active-sterile mass splitting, producing pseudo-Dirac neutrino behavior. This imprints on high-energy astrophysical neutrino fluxes by altering flavor composition and energy spectra. The authors perform flavor-ratio analyses against current IceCube data and IceCube-Gen2 projections, plus spectral analyses using the ESTES track and cascade diffuse-flux datasets together with point-source spectral shapes from a neutrino-bright source catalog, and translate the resulting exclusions into limits on Yukawa couplings and scalar mass for ultra-light mediators.

Significance. If the induced splitting is dynamically relevant at PeV energies, the work offers a novel probe of ultra-light scalar mediators via astrophysical neutrinos, using complementary flavor and spectral information from IceCube. The combination of multiple datasets and future projections is a strength; the translation of exclusions into SNSI parameter limits could provide useful complementary constraints.

major comments (1)
  1. [SNSI framework / effective potential derivation] The abstract states that the relic neutrino background induces a matter effect via Majorana-type SNSI that produces the hyperfine active-sterile splitting responsible for the pseudo-Dirac phenomenology. Given n_ν ≈ 56 cm^{-3}, the effective potential V ∼ g² n_ν / m_φ² is extremely small; the manuscript must show explicitly (in the section deriving the effective Hamiltonian or mass splitting) that, for the Yukawa couplings and scalar masses under consideration, the resulting Δm² satisfies Δm² L / (2E) ∼ O(1) at E ∼ PeV and L ∼ Gpc. Without this verification the predicted modifications to flavor ratios and spectra vanish and the IceCube limits cannot be translated into SNSI constraints. This is load-bearing for the central claim.
minor comments (2)
  1. [Abstract] The abstract introduces 'hyperfine active-sterile splittings' without a brief definition or scale; adding one sentence would improve accessibility.
  2. [Spectral analysis] The spectral analysis section should state the precise energy ranges, event selections, and background treatments for the ESTES and cascade datasets to allow independent reproduction.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for the thorough review and for identifying a key point that strengthens the central claim of the manuscript. We address the major comment below and will incorporate the requested verification in the revised version.

read point-by-point responses
  1. Referee: The abstract states that the relic neutrino background induces a matter effect via Majorana-type SNSI that produces the hyperfine active-sterile splitting responsible for the pseudo-Dirac phenomenology. Given n_ν ≈ 56 cm^{-3}, the effective potential V ∼ g² n_ν / m_φ² is extremely small; the manuscript must show explicitly (in the section deriving the effective Hamiltonian or mass splitting) that, for the Yukawa couplings and scalar masses under consideration, the resulting Δm² satisfies Δm² L / (2E) ∼ O(1) at E ∼ PeV and L ∼ Gpc. Without this verification the predicted modifications to flavor ratios and spectra vanish and the IceCube limits cannot be translated into SNSI constraints. This is load-bearing for the central claim.

    Authors: We agree that an explicit demonstration of the oscillation phase reaching O(1) is essential and load-bearing. In the revised manuscript we will insert a new subsection (immediately following the derivation of the effective Hamiltonian) that computes V = g² n_ν / m_φ² for the Majorana-type SNSI, obtains Δm² = 2 E V, and evaluates the phase Δm² L / (2E) at E = 1 PeV and L = 1 Gpc for the benchmark values of g and m_φ that lie inside the regions excluded by our flavor and spectral analyses. We will tabulate or plot the resulting phases to confirm they are O(1) precisely in the ultra-light mediator regime under consideration, thereby establishing that the pseudo-Dirac effects are dynamically relevant and that the IceCube limits can be translated into SNSI parameter constraints. revision: yes

Circularity Check

0 steps flagged

No significant circularity; model predictions confronted with external data

full rationale

The paper defines SNSI modifications to the mass matrix, derives the induced active-sterile splitting from the relic neutrino background via Majorana interaction, predicts resulting changes to flavor ratios and spectra, and compares those predictions to IceCube public data sets (ESTES tracks, cascades, point-source catalog). No equations reduce a prediction to a fitted input by construction, no load-bearing self-citations appear, and the derivation chain remains independent of the target IceCube measurements. This is the normal case of a self-contained theoretical framework tested against external benchmarks.

Axiom & Free-Parameter Ledger

2 free parameters · 1 axioms · 1 invented entities

The central claim rests on the existence and properties of the relic neutrino background together with the assumption of a Majorana-type scalar interaction; these are standard in the subfield but not independently verified here.

free parameters (2)
  • Yukawa couplings
    Strength parameters of the scalar non-standard interaction that are constrained by the data.
  • Scalar mass
    Mass of the ultra-light mediator whose value affects the size of the induced splitting.
axioms (1)
  • domain assumption Relic neutrino background produces a matter effect through Majorana-type SNSI leading to active-sterile mass splitting
    Invoked in the abstract as the mechanism that generates the pseudo-Dirac behavior used for the phenomenology.
invented entities (1)
  • Scalar mediator no independent evidence
    purpose: Mediates the non-standard neutrino interaction
    Postulated new particle whose coupling and mass are the target of the limits; no independent evidence provided in the abstract.

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Reference graph

Works this paper leans on

228 extracted references · 67 linked inside Pith

  1. [1]

    Wolfenstein,Neutrino Oscillations in Matter,Phys

    L. Wolfenstein,Neutrino Oscillations in Matter,Phys. Rev. D17(1978) 2369

  2. [2]

    Farzan and M

    Y. Farzan and M. Tortola,Neutrino oscillations and Non-Standard Interactions,Front. in Phys.6 (2018) 10 [1710.09360]

  3. [3]

    Dev et al.,Neutrino Non-Standard Interactions: A Status Report,SciPost

    P.S.B. Dev et al.,Neutrino Non-Standard Interactions: A Status Report,SciPost. Phys. Proc.2 (2019) 001 [1907.00991]. [4]MINOScollaboration,Search for flavor-changing nonstandard neutrino interactions usingν e appearance in MINOS,Phys. Rev. D95(2017) 012005 [1605.06169]. [5]Super-Kamiokandecollaboration,Atmospheric neutrino oscillation analysis with extern...

  4. [4]

    Babu, P.S.B

    K.S. Babu, P.S.B. Dev, S. Jana and A. Thapa,Non-Standard Interactions in Radiative Neutrino Mass Models,JHEP03(2020) 006 [1907.09498]

  5. [5]

    Coloma, I

    P. Coloma, I. Esteban, M.C. Gonzalez-Garcia and M. Maltoni,Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data,JHEP02(2020) 023 [1911.09109]

  6. [6]

    Dutta, R.F

    B. Dutta, R.F. Lang, S. Liao, S. Sinha, L. Strigari and A. Thompson,A global analysis strategy to resolve neutrino NSI degeneracies with scattering and oscillation data,JHEP09(2020) 106 [2002.03066]

  7. [7]

    Coloma, M.C

    P. Coloma, M.C. Gonzalez-Garcia, M. Maltoni, J.P. Pinheiro and S. Urrea,Global constraints on non-standard neutrino interactions with quarks and electrons,JHEP08(2023) 032 [2305.07698]

  8. [8]

    Coloma, E

    P. Coloma, E. Fernández-Martínez, J. López-Pavón, X. Marcano, D. Naredo-Tuero and S. Urrea, Improving the global SMEFT picture with bounds on neutrino NSI,JHEP02(2025) 137 [2411.00090]

  9. [9]

    Gehrlein, P.A.N

    J. Gehrlein, P.A.N. Machado and J.P. Pinheiro,Constraining non-standard neutrino interactions with neutral current events at long-baseline oscillation experiments,JHEP05(2025) 065 [2412.08712]

  10. [10]

    Chatterjee and A

    S.S. Chatterjee and A. Palazzo,Nonstandard Neutrino Interactions as a Solution to theN OνAand T2K Discrepancy,Phys. Rev. Lett.126(2021) 051802 [2008.04161]

  11. [11]

    Denton, J

    P.B. Denton, J. Gehrlein and R. Pestes,CP-Violating Neutrino Nonstandard Interactions in Long-Baseline-Accelerator Data,Phys. Rev. Lett.126(2021) 051801 [2008.01110]

  12. [12]

    Cherchiglia, P

    A. Cherchiglia, P. Pasquini, O.L.G. Peres, F.F. Rodrigues, R.R. Rossi and E.S. Souza,Alleviating the present tension between T2K and NOνA with nonstandard neutrino interactions,Phys. Rev. D 112(2025) 093004 [2310.18401]

  13. [13]

    Chatterjee and A

    S.S. Chatterjee and A. Palazzo,Status of tension between NOvA and T2K after Neutrino 2024 and possible role of nonstandard neutrino interactions,Phys. Rev. D110(2024) 113002 [2409.10599]

  14. [14]

    Grossman,Nonstandard neutrino interactions and neutrino oscillation experiments,Phys

    Y. Grossman,Nonstandard neutrino interactions and neutrino oscillation experiments,Phys. Lett. B359(1995) 141 [hep-ph/9507344]

  15. [15]

    Bergmann, Y

    S. Bergmann, Y. Grossman and E. Nardi,Neutrino propagation in matter with general interactions, Phys. Rev. D60(1999) 093008 [hep-ph/9903517]

  16. [16]

    Ge and S.J

    S.-F. Ge and S.J. Parke,Scalar Nonstandard Interactions in Neutrino Oscillation,Phys. Rev. Lett. 122(2019) 211801 [1812.08376]

  17. [17]

    K.S. Babu, G. Chauhan and P.S.B. Dev,Neutrino nonstandard interactions via light scalars in the Earth, Sun, supernovae, and the early Universe,Phys. Rev. D101(2020) 095029 [1912.13488]

  18. [18]

    A.N. Khan, W. Rodejohann and X.-J. Xu,Borexino and general neutrino interactions,Phys. Rev. D101(2020) 055047 [1906.12102]

  19. [19]

    Smirnov and X.-J

    A.Y. Smirnov and X.-J. Xu,Wolfenstein potentials for neutrinos induced by ultra-light mediators, JHEP12(2019) 046 [1909.07505]. – 24 –

  20. [20]

    Venzor, A

    J. Venzor, A. Pérez-Lorenzana and J. De-Santiago,Bounds on neutrino-scalar nonstandard interactions from big bang nucleosynthesis,Phys. Rev. D103(2021) 043534 [2009.08104]

  21. [21]

    Escrihuela, L.J

    F.J. Escrihuela, L.J. Flores, O.G. Miranda and J. Rendón,Global constraints on neutral-current generalized neutrino interactions,JHEP07(2021) 061 [2105.06484]

  22. [22]

    Chaves, P.C

    M.E. Chaves, P.C. de Holanda and O.L.G. Peres,Testing non-standard neutrino interactions in (anti)-electron neutrino disappearance experiments,JHEP03(2023) 180 [2106.15725]

  23. [23]

    Medhi, D

    A. Medhi, D. Dutta and M.M. Devi,Exploring the effects of scalar non standard interactions on the CP violation sensitivity at DUNE,JHEP06(2022) 129 [2111.12943]

  24. [24]

    Schwemberger and T.-T

    T. Schwemberger and T.-T. Yu,Detecting beyond the standard model interactions of solar neutrinos in low-threshold dark matter detectors,Phys. Rev. D106(2022) 015002 [2202.01254]

  25. [25]

    Medhi, M.M

    A. Medhi, M.M. Devi and D. Dutta,Imprints of scalar NSI on the CP-violation sensitivity using synergy among DUNE, T2HK and T2HKK,JHEP01(2023) 079 [2209.05287]

  26. [26]

    Dutta, S

    B. Dutta, S. Ghosh, T. Li, A. Thompson and A. Verma,Non-standard neutrino interactions in light mediator models at reactor experiments,JHEP03(2023) 163 [2209.13566]

  27. [27]

    Denton, A

    P.B. Denton, A. Giarnetti and D. Meloni,How to identify different new neutrino oscillation physics scenarios at DUNE,JHEP02(2023) 210 [2210.00109]

  28. [28]

    Gupta, D

    A. Gupta, D. Majumdar and S. Prakash,Neutrino oscillation measurements with KamLAND and JUNO in the presence of scalar NSI,Phys. Dark Univ.49(2025) 102011 [2306.07343]

  29. [29]

    Medhi, A

    A. Medhi, A. Sarker and M.M. Devi,Scalar NSI: a unique tool for constraining absolute neutrino masses via neutrino oscillations,Eur. Phys. J. C85(2025) 380 [2307.05348]

  30. [30]

    Schwemberger, V

    T. Schwemberger, V. Takhistov and T.-T. Yu,Hunting nonstandard neutrino interactions and leptoquarks in dark matter experiments,JCAP11(2024) 068 [2307.15736]

  31. [31]

    Singha, R

    D.K. Singha, R. Majhi, L. Panda, M. Ghosh and R. Mohanta,Study of scalar nonstandard interaction at the Protvino to super-ORCA experiment,Phys. Rev. D109(2024) 095038 [2308.10789]

  32. [32]

    Sarker, A

    A. Sarker, A. Medhi, D. Bezboruah, M.M. Devi and D. Dutta,Impact of scalar NSI on the neutrino mass ordering sensitivity at DUNE, HK and KNO,JHEP06(2024) 128 [2309.12249]. [43]ESSnuSBcollaboration,Study of nonstandard interactions mediated by a scalar field at the ESSnuSB experiment,Phys. Rev. D109(2024) 115010 [2310.10749]

  33. [33]

    Dutta, S

    B. Dutta, S. Ghosh, K.J. Kelly, T. Li, A. Thompson and A. Verma,Non-standard neutrino interactions mediated by a light scalar at DUNE,JHEP07(2024) 213 [2401.02107]

  34. [34]

    Sarker, D

    A. Sarker, D. Bezboruah, A. Medhi and M.M. Devi,Sensitivity of DUNE in the presence of off-diagonal scalar NSI parameters,Phys. Rev. D112(2025) 035042 [2406.15307]

  35. [35]

    Denton, A

    P.B. Denton, A. Giarnetti and D. Meloni,Solar neutrinos and the strongest oscillation constraints on scalar NSI,JHEP01(2025) 097 [2409.15411]

  36. [36]

    Bezboruah, D.S

    D. Bezboruah, D.S. Chattopadhyay, A. Medhi, A. Sarker and M.M. Devi,Neutrino oscillations in presence of diagonal elements of scalar NSI: an analytic approach,JHEP12(2025) 222 [2410.05250]

  37. [37]

    Pusty, R

    S.K. Pusty, R. Majhi, D.K. Singha, M. Ghosh and R. Mohanta,Impact of scalar NSI with off-diagonal parameters at DUNE and P2SO,Eur. Phys. J. C85(2025) 1294 [2410.23014]

  38. [38]

    De Romeri, D.K

    V. De Romeri, D.K. Papoulias and C.A. Ternes,Bounds on new neutrino interactions from the first CEνNS data at direct detection experiments,JCAP05(2025) 012 [2411.11749]

  39. [39]

    Yadav and A.K

    B. Yadav and A.K. Alok,Impact of scalar NSI on spatial and temporal correlations in neutrino oscillations,J. Phys. G52(2025) 125004 [2411.17503]. – 25 –

  40. [40]

    Das and M.H

    S. Das and M.H. Reno,Probing scalar non-standard interaction of supernova neutrinos in next-generation neutrino experiments,JCAP02(2026) 076 [2508.16510]

  41. [41]

    Dutta, A

    B. Dutta, A. Karthikeyan, N. Mishra, Y. Porto and L.E. Strigari,Scalar non-standard neutrino interactions in Galactic supernovae,2508.16558

  42. [42]

    Choubey and A

    S. Choubey and A. Lund,Neutrino mass ordering in JUNO at risk from scalar NSI induced resonance,2602.05564

  43. [43]

    Alves, H

    G.F.S. Alves, H. Nunokawa and R. Zukanovich Funchal,Impact of New Physics on the JUNO-Long-Baseline Synergy in Neutrino Mass Ordering Determination,2603.17181

  44. [44]

    Flores, R

    L.J. Flores, R. Pacheco-Aké, E. Peinado, G. Sanchez Garcia and E. Vázquez-Jáuregui,Constraints on light sterile neutrinos and scalar nonstandard interactions using the first reactor antineutrino oscillation results at JUNO,Phys. Rev. D113(2026) 115030 [2603.24677]

  45. [45]

    Bialynicka-Birula,Do Neutrinos Interact between Themselves?,Nuovo Cim.33(1964) 1484

    Z. Bialynicka-Birula,Do Neutrinos Interact between Themselves?,Nuovo Cim.33(1964) 1484

  46. [46]

    Bardin, S.M

    D.Y. Bardin, S.M. Bilenky and B. Pontecorvo,On the nu - nu interaction,Phys. Lett. B32(1970) 121

  47. [47]

    Berryman et al.,Neutrino self-interactions: A white paper,Phys

    J.M. Berryman et al.,Neutrino self-interactions: A white paper,Phys. Dark Univ.42(2023) 101267 [2203.01955]

  48. [48]

    Chikashige, R.N

    Y. Chikashige, R.N. Mohapatra and R.D. Peccei,Spontaneously Broken Lepton Number and Cosmological Constraints on the Neutrino Mass Spectrum,Phys. Rev. Lett.45(1980) 1926

  49. [49]

    Chikashige, R.N

    Y. Chikashige, R.N. Mohapatra and R.D. Peccei,Are There Real Goldstone Bosons Associated with Broken Lepton Number?,Phys. Lett. B98(1981) 265

  50. [50]

    Gelmini and M

    G.B. Gelmini and M. Roncadelli,Left-Handed Neutrino Mass Scale and Spontaneously Broken Lepton Number,Phys. Lett. B99(1981) 411

  51. [51]

    Schechter and J.W.F

    J. Schechter and J.W.F. Valle,Neutrino Decay and Spontaneous Violation of Lepton Number,Phys. Rev. D25(1982) 774

  52. [52]

    Barger, W.-Y

    V.D. Barger, W.-Y. Keung and S. Pakvasa,Majoron Emission by Neutrinos,Phys. Rev. D25 (1982) 907

  53. [53]

    Kolb and M.S

    E.W. Kolb and M.S. Turner,Supernova 1987A and the Secret Interactions of Neutrinos,Phys. Rev. D36(1987) 2895

  54. [54]

    Bilenky, S.M

    M.S. Bilenky, S.M. Bilenky and A. Santamaria,Invisible width of the Z boson and ’secret’ neutrino-neutrino interactions,Phys. Lett. B301(1993) 287

  55. [55]

    Bilenky and A

    M.S. Bilenky and A. Santamaria,Bounding effective operators at the one loop level: The Case of four fermion neutrino interactions,Phys. Lett. B336(1994) 91 [hep-ph/9405427]

  56. [56]

    Beacom and N.F

    J.F. Beacom and N.F. Bell,Do Solar Neutrinos Decay?,Phys. Rev. D65(2002) 113009 [hep-ph/0204111]

  57. [57]

    Farzan,Bounds on the coupling of the Majoron to light neutrinos from supernova cooling,Phys

    Y. Farzan,Bounds on the coupling of the Majoron to light neutrinos from supernova cooling,Phys. Rev. D67(2003) 073015 [hep-ph/0211375]

  58. [58]

    Beacom, N.F

    J.F. Beacom, N.F. Bell and S. Dodelson,Neutrinoless universe,Phys. Rev. Lett.93(2004) 121302 [astro-ph/0404585]

  59. [59]

    Lessa and O.L.G

    A.P. Lessa and O.L.G. Peres,Revising limits on neutrino-Majoron couplings,Phys. Rev. D75 (2007) 094001 [hep-ph/0701068]

  60. [60]

    R. Laha, B. Dasgupta and J.F. Beacom,Constraints on New Neutrino Interactions via Light Abelian Vector Bosons,Phys. Rev. D89(2014) 093025 [1304.3460]

  61. [61]

    Cyr-Racine and K

    F.-Y. Cyr-Racine and K. Sigurdson,Limits on Neutrino-Neutrino Scattering in the Early Universe, Phys. Rev. D90(2014) 123533 [1306.1536]. – 26 –

  62. [62]

    Ioka and K

    K. Ioka and K. Murase,IceCube PeV–EeV neutrinos and secret interactions of neutrinos,PTEP 2014(2014) 061E01 [1404.2279]

  63. [63]

    Ng and J.F

    K.C.Y. Ng and J.F. Beacom,Cosmic neutrino cascades from secret neutrino interactions,Phys. Rev. D90(2014) 065035 [1404.2288]

  64. [64]

    Forastieri, M

    F. Forastieri, M. Lattanzi and P. Natoli,Constraints on secret neutrino interactions after Planck, JCAP07(2015) 014 [1504.04999]

  65. [65]

    Araki, F

    T. Araki, F. Kaneko, T. Ota, J. Sato and T. Shimomura,MeV scale leptonic force for cosmic neutrino spectrum and muon anomalous magnetic moment,Phys. Rev. D93(2016) 013014 [1508.07471]

  66. [66]

    Pasquini and O.L.G

    P.S. Pasquini and O.L.G. Peres,Bounds on Neutrino-Scalar Yukawa Coupling,Phys. Rev. D93 (2016) 053007 [1511.01811]

  67. [67]

    Shoemaker and K

    I.M. Shoemaker and K. Murase,Probing BSM Neutrino Physics with Flavor and Spectral Distortions: Prospects for Future High-Energy Neutrino Telescopes,Phys. Rev. D93(2016) 085004 [1512.07228]

  68. [68]

    Heurtier and Y

    L. Heurtier and Y. Zhang,Supernova Constraints on Massive (Pseudo)Scalar Coupling to Neutrinos,JCAP02(2017) 042 [1609.05882]

  69. [69]

    A. Das, A. Dighe and M. Sen,New effects of non-standard self-interactions of neutrinos in a supernova,JCAP05(2017) 051 [1705.00468]

  70. [70]

    Huang, T

    G.-y. Huang, T. Ohlsson and S. Zhou,Observational Constraints on Secret Neutrino Interactions from Big Bang Nucleosynthesis,Phys. Rev. D97(2018) 075009 [1712.04792]

  71. [71]

    Berryman, A

    J.M. Berryman, A. De Gouvêa, K.J. Kelly and Y. Zhang,Lepton-Number-Charged Scalars and Neutrino Beamstrahlung,Phys. Rev. D97(2018) 075030 [1802.00009]

  72. [72]

    K. Blum, Y. Nir and M. Shavit,Neutrinoless double-beta decay with massive scalar emission,Phys. Lett. B785(2018) 354 [1802.08019]

  73. [73]

    Brune and H

    T. Brune and H. Päs,Massive Majorons and constraints on the Majoron-neutrino coupling,Phys. Rev. D99(2019) 096005 [1808.08158]

  74. [74]

    Kreisch, F.-Y

    C.D. Kreisch, F.-Y. Cyr-Racine and O. Doré,Neutrino puzzle: Anomalies, interactions, and cosmological tensions,Phys. Rev. D101(2020) 123505 [1902.00534]

  75. [75]

    Barenboim, P.B

    G. Barenboim, P.B. Denton and I.M. Oldengott,Constraints on inflation with an extended neutrino sector,Phys. Rev. D99(2019) 083515 [1903.02036]

  76. [76]

    Murase and I.M

    K. Murase and I.M. Shoemaker,Neutrino Echoes from Multimessenger Transient Sources,Phys. Rev. Lett.123(2019) 241102 [1903.08607]

  77. [77]

    Park, C.D

    M. Park, C.D. Kreisch, J. Dunkley, B. Hadzhiyska and F.-Y. Cyr-Racine,ΛCDM or self-interacting neutrinos: How CMB data can tell the two models apart,Phys. Rev. D100(2019) 063524 [1904.02625]

  78. [78]

    Forastieri, M

    F. Forastieri, M. Lattanzi and P. Natoli,Cosmological constraints on neutrino self-interactions with a light mediator,Phys. Rev. D100(2019) 103526 [1904.07810]

  79. [79]

    Blinov, K.J

    N. Blinov, K.J. Kelly, G.Z. Krnjaic and S.D. McDermott,Constraining the Self-Interacting Neutrino Interpretation of the Hubble Tension,Phys. Rev. Lett.123(2019) 191102 [1905.02727]

  80. [80]

    M. Lei, N. Steinberg and J.D. Wells,Probing Non-Standard Neutrino Interactions with Supernova Neutrinos at Hyper-K,JHEP01(2020) 179 [1907.01059]

Showing first 80 references.