Higgs and neutrino sector, EDM and epsilon_K in a spontaneously CP and R-parity breaking supersymmetric model

Abstract

We construct an extension of the supersymmetric standard model where both CP symmetry and R-parity are spontaneously broken. We study the electroweak symmetry breaking sector of the model and find minima consistent with the experimental bounds on Higgs boson masses. Neutrino masses and mixing angles are generated through both seesaw and bilinear R-parity violation. We show that the hierarchical mass pattern is obtained, and mixings are consistent with measured values. Due to the spontaneous CP and R-parity violation, the neutrino sector is CP violating, and we calculate the corresponding phase. We further restrict the parameter space to agree with the limits on the electric dipole moment of the neutron. Finally, we study the CP violation parameter epsilon_K in the kaon system and show that we obtain results consistent with the experimental value.

arXiv comment13 pages, 7 figures, submitted to EPJC

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• Radiative contribution to neutrino masses and mixing in $\mu \nu$SSM
• A possible connection between neutrino mass generation and the lightness of a NMSSM pseudoscalar
• Comparison of neutralino and sneutrino dark matter in a model with spontaneous CP violation
• Higgs sector in NMSSM with right-handed neutrinos and spontaneous R-parity violation
• Status of R-parity violating SUSY
• One-loop contribution to the neutrino mass matrix in NMSSM with right-handed neutrinos and tri-bimaximal mixing