Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-05-29
Eur.Phys.J.C52:413-423,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 7 figures, submitted to EPJC
Scientific paper
10.1140/epjc/s10052-007-0370-z
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.
Frank Michael
Huitu Katri
Rüppell Timo
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