Search Results - "Pires, C. A. de S"

A model for mixed warm and hot right-handed neutrino dark matter by Dutra, Maíra, Oliveira, Vinícius, de S. Pires, C. A, Queiroz, Farinaldo S.

“…A bstract We discuss a model where a mixed warm and hot keV neutrino dark matter rises naturally. We arrange active and sterile neutrinos in the same SU(3) L…”
Get full text

On the Higgs-like boson in the minimal supersymmetric 3-3-1 model by Ferreira, J. G., Pires, C. A. de S., da Silva, P. S. Rodrigues, Siqueira, Clarissa

“…It is imperative that any proposal of new physics beyond the standard model possesses a Higgs-like boson with 125 GeV of mass and couplings with the standard…”
Get full text

Connection of gamma rays, dark matter, and Higgs boson searches at the LHC by Ruiz-Alvarez, J. D., de S. Pires, C. A., Queiroz, Farinaldo S., Restrepo, D., Rodrigues da Silva, P. S.

“…Motivated by the upcoming Higgs analyses, we investigate the importance of the complementarity of the Higgs boson chase on the low-mass weakly interacting…”
Get full text

Explaining the Higgs decays at the LHC with an extended electroweak model by Alves, Alexandre, Ramirez Barreto, E., Dias, A. G., de S. Pires, C. A., Queiroz, Farinaldo S., Rodrigues da Silva, P. S.

“…We show that the observed enhancement in the diphoton decays of the recently discovered new boson at the LHC, which we assume to be a Higgs boson, can be…”
Get full text

Explaining ATLAS and CMS results within the reduced minimal 3-3-1 model by Caetano, W., de S. Pires, C. A., Rodrigues da Silva, P. S., Cogollo, D., Queiroz, Farinaldo S.

“…Recently the ATLAS and CMS collaborations announced the discovery of a Higgs particle with a mass of ∼125 GeV. The results are mildly consistent with the…”
Get full text

The seesaw mechanism at TeV scale in the 3-3-1 model with right-handed neutrinos by Cogollo, D., Diniz, H., Pires, C. A. de S., da Silva, P. S. Rodrigues

“…We implement the seesaw mechanism in the 3-3-1 model with right-handed neutrinos. This will be accomplished by the introduction of a scalar sextet into the…”
Get full text

A 331 WIMPy dark radiation model by Kelso, Chris, Pires, C. A. de S., Profumo, Stefano, Queiroz, Farinaldo S., Rodrigues da Silva, P. S.

“…Recent observations suggest that the number of relativistic degrees of freedom in the early universe might exceed what is predicted in the standard…”
Get full text

Minimal 3-3-1 model with only two Higgs triplets by Ferreira, J. G., Pinheiro, P. R. D., Pires, C. A. de S., Rodrigues da Silva, P. S.

Get full text

Majorana dark matter through a narrow Higgs portal by Dutra, M., de S. Pires, C. A., Rodrigues da Silva, P. S.

“…A bstract We update the parameter space of a singlet Majorana fermion dark matter model, in which the standard particles interact with the dark sector through…”
Get full text

Simple realization of the inverse seesaw mechanism by Dias, A. G., de S. Pires, C. A., Rodrigues da Silva, P. S., Sampieri, A.

“…Differently from the canonical seesaw mechanism, which is grounded in grand unified theories, the inverse seesaw mechanism lacks a special framework that…”
Get full text

Higgs sector of the supersymmetric reduced 331 model by Ferreira, J. G., Pires, C. A. de S., da Silva, P. S. Rodrigues, Sampieri, A.

“…A supersymmetric version of the recently proposed reduced minimal 331 model is considered and its Higgs sector is investigated. We focus on the mass spectrum…”
Get full text

keV right-handed neutrinos from type II seesaw mechanism in a 3-3-1 model by Cogollo, D., Diniz, H., Pires, C.A. de S.

“…We adapt the type II seesaw mechanism to the framework of the 3-3-1 model with right-handed neutrinos. We emphasize that the mechanism is capable of generating…”
Get full text

Triple seesaw mechanism by Cogollo, D., Diniz, H., de S. Pires, C.A.

“…On fitting the type II seesaw mechanism into the type I seesaw mechanism, we obtain a formula to the neutrino masses which get suppressed by high-scale M3 in…”
Get full text

Flavor Changing Neutral Current processes and family discrimination in 3-3-1 models by Oliveira, Vinícius, Pires, C. A. de S

“…Journal of Physics G: Nuclear and Particle Physics (2023) In 3-3-1 models anomaly cancellation requires that one of the three families of quarks transforms as…”
Get full text

Naturally light right-handed neutrinos in a 3–3–1 model by Dias, Alex G., de S. Pires, C.A., Rodrigues da Silva, P.S.

“…In this work we show that light right-handed neutrinos, with mass in the sub-eV scale, is a natural outcome in a 3–3–1 model. By considering effective…”
Get full text

Evading the Landau pole in the minimal 3-3-1 model with leptoquarks by Doff, A, Pires, C. A. de S

“…In its original version, the minimal 3-3-1 model possess a Landau-pole around 2-6 TeV scale. Current LHC bound on $Z^{\prime}$ implies that the $SU(3)_L\times…”
Get full text

On the Higgs spectra of the 3-3-1 model with the sextet of scalars engendering the type II seesaw mechanism by Pinheiro, Joao Paulo, Pires, C. A. de S

“…In the 3-3-1 model with right-handed neutrinos, three triplets of scalars engender the correct sequence of symmetry breaking, $SU(3)_C \times SU(3)_L \times…”
Get full text

On the Higgs spectra of the 3-3-1 model by Pinheiro, Joao Paulo, Pires, C. A. de S

“…The minimal scalar sector of the 3-3-1 model is composed by the SU(3)$_L$ triplet scalars $\eta$, $\rho$, $\chi$ and its potential allows the trilinear term…”
Get full text

Singlet Majorana fermion dark matter, DAMA, CoGeNT, and CDMS-II by de S. Pires, C. A., Queiroz, F. S., Rodrigues da Silva, P. S.

Get full text

Spontaneous breaking of the lepton number and invisible majoron in a 3-3-1 model by S. de Pires, C. A., Rodrigues da Silva, P. S.

“…In this work we implement the spontaneous breaking of lepton number in version II of the 3-3-1 models and study their phenomenological consequences. The main…”
Get full text