English

Neutrinoless Double Beta Decay with R-parity Violation

High Energy Physics - Phenomenology 2009-11-07 v3

Abstract

We consider recently observed neutrinoless double beta decay in the context of the minimal supersymmetric standard model with R-parity violating couplings lambda^{'}. We observe that most of the current experimental bounds on the R-parity violating couplings do not exclude the possibility that the neutrinoless double beta decay is caused by R-parity violation. But if we consider K-bar{K} oscillation, we observe that we have to make the R-parity violating couplings generation-dependent to accomodate with the observed neutrinoless double beta decay. And furthermore, we need some mechanism to cancel the contribution to K-bar{K} mixing from a large R-parity violating coupling. We realized this cancellation by assuming that the first- and the second- generation of quark sector do not couple with the first-generation lepton sector by R-parity violating couplings except the term W=lambda_{111}^{'} L_{1} Q_{1} D_{1}^{c}, which is responsible for the observed neutrinoless double beta decay.

Keywords

Cite

@article{arxiv.hep-ph/0201277,
  title  = {Neutrinoless Double Beta Decay with R-parity Violation},
  author = {Yosuke Uehara},
  journal= {arXiv preprint arXiv:hep-ph/0201277},
  year   = {2009}
}

Comments

9 pages, 2 figures. Version 3, reference error was corrected

R2 v1 2026-07-22T13:39:07.871Z