Observable<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>N</mml:mi><mml:mtext mathvariant="normal">−</mml:mtext><mml:mover accent="true"><mml:mi>N</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>Oscillation in High Scale Seesaw Models

Dutta, Bhaskar; Mimura, Yukihiro; Mohapatra, R. N.

doi:10.1103/physrevlett.96.061801

Cited by 81 publications

(151 citation statements)

References 18 publications

(25 reference statements)

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“…These models also automatically predict a "larger" θ 13 [7] which seems to be indicated by recent data [11]. They have since been the focus of many investigations [7][8][9][10] and have clearly defined a distinct approach to the quark-lepton flavor problem.…”

Section: Pacs Numbersmentioning

confidence: 95%

“…Because of their predictive power, a large number of SUSY SO(10) models with 10 and 126 Higgs fields have been constructed over the recent years using type-I or type-II dominance, or a mixture of both [5][6][7][8][9][10]. Of these models, the ones that assume type II seesaw dominance [6] stand out for a very special reason that the diverse mixing patterns between quark and lepton sectors at low energies are explained from the fact that the bottom and tau masses become nearly equal near the GUT scale [6,7] and without any need for additional symmetries.…”

Section: Pacs Numbersmentioning

confidence: 99%

“…Not including the Yukawa coupling of 10 * may be justified by the possible return of supersymmetry at the GUT scale or by a PQ symmetry. Near the GUT scale the formulae for Dirac type Yukawa matrices for quarks, charged leptons, and the neutrinos are expressed as [21] Y u =h + r 2f + r 3h ′ ,…”

Section: IV Fermion Masses and Mixingsmentioning

confidence: 99%

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Type-II seesaw dominance in nonsupersymmetric and split-supersymmetrySO(10)models and proton lifetime

Mohapatra

Parida

2011

Phys. Rev. D

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Recently type II seesaw in a supersymmetric SO(10) framework has been found useful in explaining large solar and atmospheric mixing angles as well as a larger value of θ13 while unifying quark and lepton masses. An important question in these models is whether there exists consistency between coupling unification and type II seesaw dominance. Scenarios where this consistency can be demonstrated have been given in a SUSY framework. In this paper we give examples where type II dominance occurs in SO(10) models without supersymmetry but with additional TeV scale particles and also in models with split-supersymmetry. Grand unification is realized in a two step process via breaking of SO(10) to SU (5) and then to a TeV scale standard model supplemented by extra fields and an SU(5) Higgs multiplet 15H at a scale of about 10 12 GeV to give type II seesaw. The predictions for proton lifetime in these models are in the range τ 0 p = 2 × 10 35 yrs. to 6 × 10 35 yrs. A number of recent numerical fits to GUT-scale fermion masses can be accommodated within this model.

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Section: Pacs Numbersmentioning

confidence: 95%

Section: Pacs Numbersmentioning

confidence: 99%

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Type-II seesaw dominance in nonsupersymmetric and split-supersymmetrySO(10)models and proton lifetime

Mohapatra

Parida

2011

Phys. Rev. D

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“…However, the mixing angles can become larger as tan β becomes smaller. Details will be given in a future paper [22].…”

Section: Suppression Of Proton Decaymentioning

confidence: 99%

Suppressing Proton Decay in the Minimal SO(10) Model

2005

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We show that in a class of minimal supersymmetric SO(10) models which have been found to be quite successful in predicting neutrino mixings, all proton decay modes can be suppressed by a particular choice of Yukawa textures. This suppression works for contributions from both left and right operators for nucleon decay and for arbitrary tan β. The required texture not only fits all lepton and quark masses as well as CKM parameters but it also predicts neutrino mixing parameter Ue3 and Dirac CP phase sin |δMNS | to be 0.07-0.09 and 0.3-0.7 respectively. We also discuss the relation between the GUT symmetry breaking parameters for the origin of these textures.

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“…Recently, S 4 flavor models to unify quarks and leptons have been presented in the framework of the SU(5) SUSY GUT [80] or SO(10) SUSY GUT [96]. However, quantitative analyses have not been given there since the contribution from higher dimensional mass operators are not discussed.…”

Section: Introductionmentioning

confidence: 99%

Tribimaximal mixing and Cabibbo angle inS4flavor model with supersymmetry

et al. 2010

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We present a flavor model of quarks and leptons with the non-Abelian discrete symmetry S 4 in the framework of the SU (5) SUSY GUT. Three generations of 5-plets in SU (5) are assigned to 3 of S 4 while the first and second generations of 10-plets in SU (5) are assigned to 2 of S 4 , and the third generation of 10-plet is assigned to 1 of S 4 . Righthanded neutrinos are also assigned to 2 for the first and second generations and 1 ′ for the third generation. We predict the Cabibbo angle as well as the tri-bimaximal mixing of neutrino flavors. We also predict the non-vanishing U e3 of the neutrino flavor mixing due to higher dimensional mass operators. Our predicted CKM mixing angles and the CP violation are consistent with experimental values. We also study SUSY breaking terms in the slepton sector. Our model leads to smaller values of flavor changing neutral currents than the present experimental bounds. *

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ObservableN−N¯Oscillation in High Scale Seesaw Models

Cited by 81 publications

References 18 publications

Type-II seesaw dominance in nonsupersymmetric and split-supersymmetrySO(10)models and proton lifetime

Type-II seesaw dominance in nonsupersymmetric and split-supersymmetrySO(10)models and proton lifetime

Suppressing Proton Decay in the Minimal SO(10) Model

Tribimaximal mixing and Cabibbo angle inS4flavor model with supersymmetry

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