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Supersymmetry and Neutrinoless Double Beta Decay

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arxiv hep-ph/9502385 v1 pith:QPZSXP7C submitted 1995-02-24 hep-ph

M. Hirsch , H.V. Klapdor-Kleingrothaus , S.G. Kovalenko This is my paper · ORCID
classification hep-ph
keywords decayconstraintsmssmstringentsusyznbbbetacalculated
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Neutrinoless double beta decay ($\znbb$) induced by superparticle exchange is investigated. Such a supersymmetric (SUSY) mechanism of $\znbb$ decay arises within SUSY theories with R-parity non-conservation (\rp). We consider the minimal supersymmetric standard model (MSSM) with explicit \rp terms in the superpotential (\rp MSSM). The decay rate for the SUSY mechanism of $\znbb$ decay is calculated. Numerical values for nuclear matrix elements for the experimentally most interesting isotopes are calculated within pn-QRPA. Constraints on the \rp MSSM parameter space are extracted from current experimental half-life limits. The most stringent limits are derived from data on $^{76}$Ge. It is shown that these constraints are more stringent than those from other low-energy processes and are competitive to or even more stringent than constraints expected from accelerator searches.

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Cited by 3 Pith papers

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

  1. Markov Chain Monte Carlo analysis to probe trilinear $R$-parity violating SUSY scenarios and possible LHC signatures

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A Bayesian MCMC fit to neutrino, Higgs, and flavor data constrains the trilinear R-parity-violating couplings λ_i33 and λ'_i33 to at most ~10^-4, with tanβ below 15, in bino- and stop-LSP supersymmetric scenarios.

  2. Positron-Emitting and Electron-Capturing Double-Beta Processes in the Standard Model and Beyond

    hep-ph 2026-06 unverdicted novelty 5.0 of 10

    Nuclear matrix elements and phase-space factors are computed for 2ν and 0ν positron-emitting double-beta modes in three isotopes, yielding sensitivity to SMEFT lepton-number-violating operators at 1-100 TeV and showin...

  3. Revisiting $\mu$-$e$ conversion in $R$-parity violating SUSY

    hep-ph 2026-01 unverdicted novelty 4.0 of 10

    RG running changes limits on certain RPV SUSY λ and λ' couplings by up to 80 percent, with upcoming μ-e conversion experiments expected to set stronger bounds than μ→eγ or μ→eee decays.

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