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Lepton Flavor Model from Delta(54) Symmetry
Hajime Ishimori, Tatsuo Kobayashi, Hiroshi Okada +2
We present the lepton flavor model with , which appears typically in heterotic string models on the orbifold. Our model reproduces the tri-bimaximal mixing in the…
Dark Matter in B-L Extended MSSM Models
S. Khalil, H. Okada
We analyze the dark matter problem in the context of supersymmetric U(1)_{B-L} model. In this model, the lightest neutalino can be the B-L gaugino widetilde {Z}_{B-L} or the extra…
Model Bulding for the Neutrino Sector and Cold Dark Matter
Hiroshi Okada
It is now clear that the masses of the neutrino sector are much lighter than those of the other three sectors.There are many attempts to explain the neutrino masses radiatively by…
Signatures for right-handed neutrinos at the Large Hadron Collider
Katri Huitu, Shaaban Khalil, Hiroshi Okada +1
We explore possible signatures for right-handed neutrinos in TeV scale B-L extension of the Standard Model (SM) at the Large Hadron Collider (LHC). The studied four lepton signal h…
Cosmological Constraints for the Cold Dark Matter and Model Building based on the Flavor Symmetric Radiative Seesaw Model
Hiroshi Okada
It is now clear that the masses of the neutrino sector are much lighter than those of the other three sectors.There are many attempts to explain the neutrino masses radiatively by…