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Leptonic Dynamical Yukawa Couplings

R. Alonso
(
- Madrid, Autonoma U. and
- Madrid, IFT and
- CERN
)
,
M.B. Gavela
(
- Madrid, Autonoma U. and
- Madrid, IFT and
- CERN
)
,
D. Hernández
(
- ICTP, Trieste
)
,
L. Merlo
(
- Madrid, Autonoma U. and
- Madrid, IFT and
- CERN
)
,
S. Rigolin
(
- INFN, Padua and
- Padua U.
)

Jun 25, 2013

17 pages

Published in:

JHEP 08 (2013) 069

Published: 2013

e-Print:

1306.5922 [hep-ph]

DOI:

10.1007/JHEP08(2013)069

Report number:

IFT-UAM-CSIC-13-071,
CERN-PH-TH-2013-146,
FTUAM-13-15,
DFPD-2013-TH-10

View in:

reference search44 citations

Citations per year

Abstract: (Springer)

A dynamical origin of the Yukawa couplings is a promising scenario to explain the flavour puzzle. The focus of this letter is set on the role of the neutrino Majorana character: when an O(2)(N) flavour symmetry acts on the right-handed neutrino sector, the minimum of the scalar potential allows for large mixing angles -in contrast to the simplest quark case- and predicts a maximal Majorana phase. This leads to a strong correlation between neutrino mass hierarchy and mixing pattern. Realistic solutions point to the existence of three heavy right-handed neutrinos.

Note:

8 pages. V2: references added; results unchanged

Beyond Standard Model
Neutrino Physics
coupling: Yukawa
neutrino: Majorana
neutrino: right-handed
neutrino: mass
neutrino: mass: hierarchy
neutrino: mixing
potential: scalar
symmetry: flavor

References(48)

Figures(0)

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)
,
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)
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)
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)
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)
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)
,
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)
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(
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)
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)

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,
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,
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,
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,
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