Neutrino masses via the Zee mechanism in the 5D split fermion model

Journal Article · Sat Jan 15 00:00:00 EST 2011 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.83.025017· OSTI ID:21503990

Chang, We-Fu; Chen, I-Ting; Liou, Siao-Cing ^[1]

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1. Department of Physics, National Tsing Hua University, HsinChu 300, Taiwan (China)

We study the original version of the Zee model, where both of the SU(2){sub L} Higgs doublets are allowed to couple to the leptons, in the framework of the split fermion model in M{sub 4}xS{sub 1}/Z{sub 2} space-time. The neutrino masses are generated through 1-loop diagrams without introducing the right-handed neutrinos. By assuming an order one anarchical complex 5D Yukawa couplings, all the effective 4D Yukawa couplings are determined by the wave function overlap between the split fermions and the bulk scalars in the fifth dimension. The predictability of the Yukawa couplings is in sharp contrast to the original Zee model in 4D where the Yukawa couplings are unknown free parameters. This setup exhibits a geometrical alternative to the lepton flavor symmetry. By giving four explicit sets of the split fermion locations, we demonstrate that it is possible to simultaneously fit the lepton masses and neutrino oscillation data by just a handful free parameters without much fine tuning. Moreover, we are able to make definite predictions for the mixing angle {theta}{sub 13}, the absolute neutrino masses, and the lepton flavor violation processes for each configuration.

• OSTI ID: 21503990
• Journal Information: Physical Review. D, Particles Fields, Vol. 83, Issue 2; Other Information: DOI: 10.1103/PhysRevD.83.025017; (c) 2011 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COUPLING
FLAVOR MODEL
FORECASTING
HIGGS BOSONS
HIGGS MODEL
MASS
NEUTRINO OSCILLATION
NEUTRINOS
SIMULATION
SPACE-TIME
SU-2 GROUPS
SYMMETRY
WAVE FUNCTIONS
WEINBERG ANGLE
YUKAWA POTENTIAL
BOSONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
LEPTONS
LIE GROUPS
MASSLESS PARTICLES
MATHEMATICAL MODELS
NUCLEAR POTENTIAL
PARTICLE MODELS
POSTULATED PARTICLES
POTENTIALS
QUARK MODEL
SU GROUPS
SYMMETRY GROUPS