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19932022
most citedRare top quark and Higgs boson decays in Alternative Left-Right Symmetric Models

31 citations

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17 papers · 1 filter

hep-ph2022★ 3 cited

Non-diagonal contributions to vertex, polarizations and bounds on couplings

A. I. Hernández-Juárez, G. Tavares-Velasco, R. Gaitán

We study the flavor-changing neutral current contributions to the trilinear neutral gauge boson couplings (, ) at the one-loop level. Only the -conserving fo…

hep-ph2019★ 6 cited

Dark matter in Inert Doublet Model with one scalar singlet and gauge symmetry

M. A. Arroyo-Ureña, R. Gaitan, R. Martinez +1

We study Dark Matter (DM) abundance in the framework of the extension of the Standard Model (SM) with an additional gauge symmetry. One complex singlet is included to brea…

hep-ph2019

A Private SUSY 4HDM with FCNC in the Up-sector

M. A. Arroyo-Urena, J. Lorenzo Diaz-Cruz, Bryan O. Larios-Lopez +1

We present a SUSY model with four Higgs doublets of the ``private type", where each fermion type (up, down, and charged leptons) obtain their masses from a different Higgs doublet…

hep-ph2017★ 3 cited

Probing flavor parameters in the scalar sector and new bounds for the fermion sector

R. Gaitán, J. H. Montes de Oca, J. A. Orduz-Ducuara

In this paper we study the Flavor-Changing mediated by Higgs boson within Two-Higgs Doublet Model-III context. We explore the parameter space and, considering recent results, find…

hep-ph2015★ 25 cited

Top quark Chromoelectric and Chromomagnetic Dipole Moments in a Two Higgs Doublet Model with CP violation

R. Gaitan, E. A. Garcés, J. H. Montes de Oca +1

In this work we study the anomalous top quark-gluon couplings Chromoelectric Dipole Moment (CEDM) and Chromomagnetic Dipole Moment (CMDM) in a general THDM with CP violation. We fi…

hep-ph2015★ 16 cited

Rare top decay with flavor changing neutral scalar interactions in two Higgs doublet model

Ricardo Gaitán, Estela A. Garcés, Roberto Martinez +1

Models beyond the Standard Model with extra scalars have been highly motivated by the recent discovery of a Higgs boson. The Two Higgs Doublet Model Type III considers the most gen…

hep-ph2013★ 6 cited

Rare top decay and CP violation in THDM

R. Gaitán, R. Martinez, J. H. Montes de Oca Y. +1

We discuss the formalism of two Higgs doublet model type III with CP violation from CP-even CP-odd mixing in the neutral Higgs bosons. The flavor changing interactions among neutra…

hep-ph2013★ 2 cited

Scalar-pseudoscalar interactions in neutrino-electron scattering

R. Gaitán, E. A. Garcés, O. G. Miranda +1

Many extensions to the Standard Model imply the existence of new charged scalar Higgs bosons. We study the contribution of a general scalar or pseudoscalar coupling for the neutrin…

hep-ph2012★ 4 cited

Rare top decay t-> c l+l- as a probe of new physics

J. L. Diaz-Cruz, A. Diaz-Furlong, R. Gaitan-Lozano +1

The rare top decay t-> c l+l-, which involves flavor violation, is studied as a possible probe of new physics. This decay is analyzed with the simplest Standard Model extensions wi…

hep-ph2012★ 3 cited

Neutrino mixing and masses in a left-right model with mirror fermions

R. Gaitan, A. Hernández-Galeana, J. M. Rivera-Rebolledo +1

In the framework of a left-right model containing mirror fermions with gauge group SU(3), we estimate the neutrino…

hep-ph2006★ 3 cited

Neutrino masses and mixing parameters in a left-right model with mirror fermions

R. Gaitán, A. Hernández-Galeana, J. M. Rivera-Rebolledo +1

In this work we consider a left-right model containing mirror fermions with gauge group SU(3). The model has sever…

hep-ph2004★ 31 cited

Rare top quark and Higgs boson decays in Alternative Left-Right Symmetric Models

R. Gaitan, O. G. Miranda, L. G. Cabral-Rosetti

Top quark and Higgs boson decays induced by flavor-changing neutra currents (FCNC) are very much suppressed in the Standard Model (SM). Their detection in colliders like the Large…

hep-ph2002★ 17 cited

New Higgs signals induced by mirror fermion mixing effects

U. Cotti, J. L. Diaz-Cruz, R. Gaitan +2

We study the conditions under which flavor violation arises in scalar-fermion interactions, as a result of the mixing phenomena between the standard model and exotic fermions. Phen…

hep-ph1999★ 1 cited

Effective Magnetic Moment of Neutrinos in Strong Magnetic Fields

Samina S. Masood, A. Perez Martinez, H. Perez Rojas +2

We compute the effective magnetic moment of neutrino in the highly dense and strongly magnetized media. It is shown that this magnetic moment is generated due to the effective mass…

hep-ph1998★ 1 cited

Lepton mass generation and family number violation mechanism in the model

U. Cotti, R. Gaitan, A. Hernandez +2

Lepton family number violation processes arise in the model due to the presence of an extra neutral gauge boson, Z, with family changing couplings, and…

hep-ph1997

Neutrinos in Strong Magnetic Fields

A. Pérez Martínez, A. Amézaga Hechavarría, D. Oliva Agüero +2

We compute the dispersion curves for neutrinos propagating in an extremely dense electroweak plasma, in the presence of very strong magnetic fields of order . The ne…

hep-ph1996★ 1 cited

Relativistic and Neutrino Mass Effects in Partial Muon Capture

S. Ciechanowicz, Z. Oziewicz, N. Popov

The characteristics of the partial nuclear muon capture with massive left-handed Dirac neutrino and relativistic component of the muon wave function have been derived. The multipol…