Majorana neutrino magnetic moments
M. G\'o\'zd\'z, F. Simkovic, and W. A. Kami\'nski
TL;DR
This paper investigates the magnetic moments of Majorana neutrinos within the MSSM framework with R-parity violation, deriving new bounds that are significantly tighter than previous estimates.
Contribution
It provides the first derivation of stringent bounds on Majorana neutrino magnetic moments considering R-parity violating interactions in the MSSM.
Findings
Derived bounds on neutrino magnetic moments are about ten times stronger than existing limits.
Identified the role of quark-squark and lepton-slepton loops in generating neutrino magnetic moments.
Enhanced understanding of neutrino electromagnetic properties in supersymmetric models.
Abstract
The presence of trilinear R-parity violating interactions in the MSSM lagrangian leads to existence of quark-squark and lepton-slepton loops which generate mass of the neutrino. By introducing interaction with an external photon the magnetic moment is obtained. We derive bounds on that quantity being around one order of magnitude stronger than those present in the literature.
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