Neutrinoless Double Beta Decay via Light Neutralinos in R-Parity Violating Supersymmetry

Abstract

We perform a study of neutrinoless double beta ($0\nu \beta \beta$) decay mediated by the lightest neutralino of arbitrary mass in the Minimal Supersymmetric Standard Model (MSSM) under the presence of R-parity violating trilinear interactions. In this scenario, the exchange of the lightest neutralino can result in $0\nu \beta \beta$ decay of either long-range or short-range behaviour, depending on the neutralino mass. Using nuclear matrix elements calculated in the Interacting Boson Model, we use an interpolation between the long- and short-range behaviours with an approximate formula. The non-observation of $0\nu \beta \beta$ decay is then used to place constraints on the supersymmetry parameter space, compatible with constraints from collider experiments. We compare these constraints to bounds from pion decays, CKM unitarity and Big Bang Nucleosynthesis.

33 pages, 8 figures

References in corpus (16)

• Phase space factors for double-$\beta$ decay
• How to find neutral leptons of the nuMSM?
• The Muon Magnetic Moment and Supersymmetry
• Lectures on Supersymmetry Breaking
• The Standard Model prediction for R_{e/mu}^{(pi,K)}
• Neutrinoless double beta decay in chiral effective field theory: lepton number violation at dimension seven
• Light Neutralino Dark Matter: Direct/Indirect Detection and Collider Searches
• Consequences of R-Parity violating interactions for anomalies in $\bar{B}\to D^{(\ast )}\tau \bar{\nu }$ and $b\to s{\mu }^{+}{\mu }^{-}$
• Explaining the Lepton Non-universality at the LHCb and CMS from a Unified Framework
• Gravitino Dark Matter and general neutralino NLSP
• Uncovering Multiple CP-Nonconserving Mechanisms of $\betabeta$-Decay
• Anomalous muon magnetic moment, supersymmetry, naturalness, LHC search limits and the landscape
• Lightest Higgs Boson and Relic Neutralino in the MSSM with CP Violation
• Long-lived light neutralinos at Belle II
• Searching for light long-lived neutralinos at Super-Kamiokande
• $b\to c\tau \bar{\nu }$ decays in supersymmetry with $R$-parity violation