Fermion masses and mixing in models with SO(10) x A(4) symmetry - INSPIRE

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Fermion masses and mixing in models with SO(10) x A(4) symmetry

Federica Bazzocchi
(
- Valencia U., IFIC
)
,
Michele Frigerio
(
- Saclay
)
,
Stefano Morisi
(
- Valencia U., IFIC
)

Sep, 2008

24 pages

Published in:

Phys.Rev.D 78 (2008) 116018

e-Print:

0809.3573 [hep-ph]

DOI:

10.1103/PhysRevD.78.116018

Report number:

SACLAY-T08-126,
IFIC-08-43

View in:

ADS Abstract Service

reference search114 citations

Citations per year

Abstract: (arXiv)

We study the flavour sector in models where the three families of matter are unified in a

(16,3)

representation of the

SO(10)\times A_4

group. The necessary ingredients to realize tri-bi-maximal mixing in the lepton sector are identified systematically. The non-renormalizable operators contributing to the fermion mass matrices play an important role. We also present a mechanism to explain the inter-family mass hierarchy of quarks and charged leptons, which relies on a `universal seesaw' mechanism and is compatible with tri-bi-maximal mixing.

fermion: mass
mass: hierarchy
operator: nonrenormalizable
dimension: 5
fermion: mixing angle
grand unified theory: SO(10) x A(4)
seesaw model
family: 3
coupling: Yukawa
14.60.Pq

References(67)

Figures(0)

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