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Author |
Morisi, S.; Peinado, E. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
S-4 model for quarks and leptons with maximal atmospheric angle |
Type |
Journal Article |
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Year |
2010 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
81 |
Issue |
8 |
Pages |
085015 - 8pp |
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Abstract |
We consider a model for quark and lepton masses and mixings based on S-4 flavor symmetry. The model contains six Higgs doublets where three of them give mass to the leptons, and the other three gives mass to the quarks. Charged fermion and quark masses arise from renormalizable interactions while neutrino Majorana masses are generated through effective dimension five Weinberg operator. From the study of the minimization of the scalar potential we found a residual μ<-> tau symmetry in the neutrino sector predicting zero reactor angle and maximal atmospheric angle and for the quark sector we found a four-zero texture. We give a fit of the mass hierarchies and mixing angles in the quark sector. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Morisi, Stefano; Peinado, Eduardo] Univ Valencia, CSIC, AHEP Grp, Inst Fis Corpuscular, E-46071 Valencia, Spain, Email: morisi@ific.uv.es |
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Publisher |
Amer Physical Soc |
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English |
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ISSN |
1550-7998 |
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Notes |
ISI:000277205000132 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ elepoucu @ |
Serial |
461 |
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Author |
Peinado, E.; Vicente, A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Neutrino masses from R-parity violation with a Z(3) symmetry |
Type |
Journal Article |
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Year |
2012 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
86 |
Issue |
9 |
Pages |
093024 - 9pp |
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Keywords |
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Abstract |
We consider a supersymmetric model where the neutrino mass matrix arises from bilinear and trilinear R-parity violation, both restricted by a Z(3) flavor symmetry. Assuming flavor-blind soft supersymmetry breaking conditions, corrected at low energies due to running effects, we obtain a neutrino mass matrix in agreement with oscillation data. In particular, a large theta(13) angle can be easily accommodated. We also find a correlation between the reactor and atmospheric mixing angles. This leads in some scenarios to a clear deviation from theta(23) = pi/4. The lightest supersymmetric particle decay, dominated by the trilinear couplings, provides a direct way to test the model at colliders. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Peinado, E.] Univ Valencia, Inst Fis Corpuscular CSIC, AHEP Grp, E-46071 Valencia, Spain, Email: epeinado@ific.uv.es; |
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Publisher |
Amer Physical Soc |
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Language |
English |
Summary Language |
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ISSN |
1550-7998 |
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Expedition |
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Conference |
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Notes |
WOS:000311538000002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1243 |
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Permanent link to this record |
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Author |
Peinado, E.; Reig, M.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Dirac neutrinos from Peccei-Quinn symmetry: A fresh look at the axion |
Type |
Journal Article |
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Year |
2020 |
Publication |
Modern Physics Letters A |
Abbreviated Journal |
Mod. Phys. Lett. A |
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Volume |
35 |
Issue |
21 |
Pages |
2050176 - 9pp |
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Keywords |
Peccei-Quinn symmetry; axion; neutrinos |
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Abstract |
We show that a very simple solution to the strong CP problem naturally leads to Dirac neutrinos. Small effective neutrino masses emerge from a type-I Dirac seesaw mechanism. Neutrino mass limits probe the axion parameters in regions currently inaccessible to conventional searches. |
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Address ![sorted by Address field, ascending order (up)](img/sort_asc.gif) |
[Peinado, Eduardo] Univ Nacl Autonoma Mexico, Inst Fis, AP 20-364, Ciudad De Mexico 01000, Mexico, Email: epeinado@fisica.unam.mx; |
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Publisher |
World Scientific Publ Co Pte Ltd |
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English |
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ISSN |
0217-7323 |
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Conference |
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Notes |
WOS:000550796000006 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4467 |
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Permanent link to this record |