Majorana neutrino masses from anomalous U(1) symmetries
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Leontaris, G. K.
Rizos, J.
Psallidas, A.
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peer reviewed
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Physics Letters B
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We explore the possibility of interpreting the solar and atmospheric neutrino data within the context of the Minimal Supersymmetric Standard Model augmented by a single U(1) anomalous family symmetry spontaneously broken by non-zero vacuum expectation values of a pair of singlet fields. The symmetry retains a dimension-five operator which provides Majorana masses for left-handed neutrino states. Assuming symmetric lepton mass matrices, the model predicts inverse hierarchical neutrino mass spectrum, theta(13) = 0 and large mixing while at the same time it provides acceptable mass matrices for the charged fermions. (C) 2004 Published by Elsevier B.V.
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super-kamiokande data, gauge symmetries, yukawa textures, cp violation, oscillations, unification, constraints, hierarchy, models, angles
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<Go to ISI>://000223613700008
http://ac.els-cdn.com/S0370269304010275/1-s2.0-S0370269304010275-main.pdf?_tid=fb5ca4f5fc6879149b8debc1f7e6db10&acdnat=1334230825_3216742e91aa7ad710812cdfd41073a5
http://ac.els-cdn.com/S0370269304010275/1-s2.0-S0370269304010275-main.pdf?_tid=fb5ca4f5fc6879149b8debc1f7e6db10&acdnat=1334230825_3216742e91aa7ad710812cdfd41073a5
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών