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The Majoron at two loops

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arxiv 1909.02029 v2 pith:7PNXNI4X submitted 2019-09-04 hep-ph

classification hep-ph
keywords majoroncouplingsloopsseesawstandardwellbosonscompare
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We present singlet-Majoron couplings to Standard Model particles through two loops at leading order in the seesaw expansion, including couplings to gauge bosons as well as flavor-changing quark interactions. We discuss and compare the relevant phenomenological constraints on Majoron production as well as decaying Majoron dark matter. A comparison with standard seesaw observables in low-scale settings highlights the importance of searches for lepton-flavor-violating two-body decays $\ell \to \ell' +$Majoron in both the muon and tau sectors.

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Forward citations

Cited by 5 Pith papers

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

  1. Enhanced active-sterile neutrino polarizability at the intensity frontier

    hep-ph 2025-12 conditional novelty 7.0 of 10

    A new neutrino-photon interaction involving a sterile neutrino is constrained at NOMAD and MiniBooNE, and a light-mediator realization can fit the MiniBooNE excess.

  2. ALP production in Lepton Flavour Violating meson, tau and gauge boson decays

    hep-ph 2026-04 unverdicted novelty 6.0 of 10

    ALPs with LFV couplings above the muon mass threshold can be produced in LFV meson, tau, and gauge boson decays, yielding clean eμ signatures that enable new searches at future experiments.

  3. New Constraints on Neutrino-Dark Matter Interactions: A Comprehensive Analysis

    hep-ph 2025-07 conditional novelty 6.0 of 10

    Most benchmark neutrino-dark matter couplings adopted in previous studies are excluded when laboratory meson and Z decay bounds are combined with cosmological and astrophysical constraints, leaving only special galact...

  4. Minimal Majoron Dark Matter from a Discrete $Z_N$ Gauge Symmetry

    hep-ph 2026-07 conditional novelty 5.0 of 10

    Discrete Z_N-protected majoron dark matter excludes Z_5, leaves Z_7/Z_11/Z_13 viable, and predicts a 1–10 MeV Z_7 majoron testable by COSI through 511 keV and γγ lines.

  5. About electroweak domain walls in Majoron models

    hep-ph 2025-06 conditional novelty 5.0 of 10

    Electroweak instantons alone do not produce Majoron domain walls; a tiny instanton mass from B+L breaking is cosmologically negligible and can act as a bias or dark energy.

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