Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-10-07
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 2 figures, contribution to NUFACT 11, XIIIth International Workshop on Neutrino Factories, Super beams and Beta beams
Scientific paper
We consider a model where right-handed neutrinos propagate in a large compactified extra dimension, engendering Kaluza-Klein (KK) modes, while the standard model particles are restricted to the usual 4-dimensional brane. A mass term mixes the KK modes with the standard left-handed neutrinos, opening the possibility of change the 3 generation mixing pattern. We derive bounds on the maximum size of the extra dimension from neutrino oscillation experiments. We show that this model provides a possible explanation for the deficit of nu_e in Ga solar neutrino calibration experiments and of the anti-nu_e in short baseline reactor experiments.
dos Santos A. Pereira F.
Funchal Renata Zukanovich
Machado Pedro A. N.
Nunokawa Hiroshi
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