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Díaz, Rodolfo A.; Martı́nez, R.; Ochoa, F.

doi:10.1103/physrevd.69.095009

Cited by 109 publications

(101 citation statements)

References 46 publications

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“…It is noteworthy that V (χ, φ) does not contain trilinear scalar couplings and conserves both the mentioned global symmetries, this makes the Higgs potential much simpler and discriminative from the previous ones of the 3-3-1 models [12,13,15]. The non-zero values of χ and φ at the minimum value of V (χ, φ) can be obtained by…”

Section: IImentioning

confidence: 99%

Neutrino masses in the economical 3-3-1 model

2007

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We show that, in frameworks of the economical 3-3-1 model, the suitable pattern of neutrino masses arises from the three quite different sources -the lepton-number conserving, the spontaneous lepton-number breaking and the explicit lepton-number violating, widely ranging over the mass scales including the GUT one:At the tree-level, the model contains three Dirac neutrinos: one massless, two large with degenerate masses in the order of the electron mass. At the one-loop level, the left-handed and right-handed neutrinos obtain Majorana masses ML,R in orders of 10 −2 −10 −3 eV and degenerate in MR = −ML, while the Dirac masses get a large reduction down to eV scale through a finite mass renormalization. In this model, the contributions of new physics are strongly signified, the degenerations in the masses and the last hierarchy between the Majorana and Dirac masses can be completely removed by heavy particles. All the neutrinos get mass and can fit the data.

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Section: IImentioning

confidence: 99%

Neutrino masses in the economical 3-3-1 model

2007

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“…The number of families in these models is regulated by the values of the parameter β given in the definition of the respective electromagnetic charge [15]. We will consider the 331 model with β = − √ 3 which has a new exotic quark J 3 with electric charge ±4/3 and the bilepton gauge bosons X ±± with masses M X > 850 GeV [15]. The third family of quarks is given by…”

Section: The 331 Modelmentioning

confidence: 99%

“…In the so-called 331 models, which are based on the SU(3) c ⊗ SU(3) L ⊗ U(1) gauge group [15,16], the cancellation of anomalies requires to have three fermion families. The number of families in these models is regulated by the values of the parameter β given in the definition of the respective electromagnetic charge [15].…”

Section: The 331 Modelmentioning

confidence: 99%

Chromomagnetic dipole moment of the top quark revisited

2007

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We study the complete one-loop contributions to the chromagnetic dipole moment ∆κ of the top quark in the Standard Model, two Higgs doublet models, topcolor assited technicolor models (TC2), 331 models and extended models with a single extra dimension. We find that the SM predicts ∆κ = −0.056 and the predictions of the other models are also consitent with the constraints imposed on ∆κ by low-energy precision measurements.

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“…After the symmetry breaking, the above weak eigenstates rotate into the following mass eigenstates [5,6]:…”

Section: The 331 Spectrummentioning

confidence: 99%

Production of the heaviest charged Higgs boson in 3-3-1 models

Ochoa¹,

Martı́nez²

2013

Proceedings of 36th International Conference on High Energy Physics — PoS(ICHEP2012)

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We study the production cross section of the heaviest hypercharge-two Higgs boson (H ± 2 ) predicted by the 3-3-1 model. Taking into account intermediate vector bosons, including a new Z ′ neutral boson, we calculate the cross section of H ± 2 pair production at CERN-LHC hadron collider. Considering Z ′ -mass of the order of 1 TeV, we found that the cross sections decreases from 100 fb to 1 × 10 −3 fb for the H ± 2 -mass range 200 -1000 GeV. We also found that for masses below the kinematic threshold (500 GeV), the cross section splits into three branches for H

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Scalar sector of theSU(3)c⊗SU(3)L⊗<

Cited by 109 publications

References 46 publications

Neutrino masses in the economical 3-3-1 model

Neutrino masses in the economical 3-3-1 model

Chromomagnetic dipole moment of the top quark revisited

Production of the heaviest charged Higgs boson in 3-3-1 models

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