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Phenomenology of Majorons

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arxiv 1709.07670 v1 pith:2GDWDIW5 submitted 2017-09-22 hep-ph

classification hep-ph
keywords majoronscouplingsmassesaboveariseassociatedbosonscandidate
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abstract

Majorons are the Goldstone bosons associated to lepton number and thus closely connected to Majorana neutrino masses. Couplings to charged fermions arise at one-loop level, including lepton-flavor-violating ones that lead to decays $\ell\to \ell' J$, whereas a coupling to photons is generated at two loops. The typically small couplings make massive majorons a prime candidate for long-lived dark matter. Its signature decay into two mono-energetic neutrinos is potentially detectable for majoron masses above MeV.

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Cited by 2 Pith papers

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

  1. Probing Lepton Number Violation at Same-Sign Lepton Colliders

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A same-sign mu+ mu+ collider at 250 GeV to 1 TeV could discover or constrain lepton-number-violating signals from heavy neutral leptons and neutrinophilic scalars beyond existing experiments.

  2. Probing ALP couplings to electroweak gauge bosons

    hep-ph 2025-01 conditional novelty 5.0 of 10

    Rare two-body meson decays give the strongest current bounds on the ALP-W coupling for light ALPs, with Z-boson decays and future lepton colliders extending the reach to heavier masses.

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