Journal
PHYSICS LETTERS B
Volume 644, Issue 5-6, Pages 346-351Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2006.12.005
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We show that in a recently proposed S-3 model for tri-bimaximal mixing pattern for neutrinos, CP violating phases in neutrino mixings are directly responsible for lepton asymmetry epsilon(l). In the exact tri-bimaximal limit, epsilon(l) is proportional to one of the Majorana phases whereas in the presence of small deviations from tri-bimaximal pattern, there are two contributions, one being proportional to the Dirac phase and the other to one of the two Majorana phases. In the second case, theta(13) is nonzero and correlated with the deviation from maximal atmospheric mixing. (c) 2006 Elsevier B.V. All rights reserved.
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