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arxiv: hep-ph/9302290 · v1 · submitted 1993-02-22 · ✦ hep-ph

Double Beta Decay with Vector Majorons

Christopher D. Carone This is my paper
classification ✦ hep-ph
keywords betadecaydoublegaugeleptonnumberspectrumbelow
0
0 comments X p. Extension
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We consider the possibility that neutrinoless double beta decay may occur in models with unbroken lepton number via the emission of a massive gauge boson with electron lepton number $-2$. We determine the shape of the $\beta\,\beta$ sum energy spectrum as a function of the gauge coupling, independent of model-specific details. We discuss our results in light of the persistent experimental claims that excess events are observed near but below the spectrum endpoint of several elements.

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  1. Probing Dark Sector Particles Coupling to Neutrinos with Double Beta Decay

    hep-ph 2025-11 unverdicted novelty 4.0

    Double beta decay experiments can constrain couplings of sub-MeV Majoron-like scalars to neutrinos at |a_ν| ≈ 2×10^{-6} through on- and off-shell production effects on the electron spectrum.