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We perform a study of the charged Higgs production from an $SU(3)_{C}\otimesSU(3)_{L}\otimes U(1)_{X}$ model with right-handed neutrinos, postulating acustodial symmetry which reduces the number of free parameters in the scalarpotential. We compute the cross sections for charged scalars for typical andnew production modes. One of the new $SU(3)_{L}$ neutral gauge bosons,$Z^{\prime}$, affects some production cross sections distinguishing the modelfrom other Standard Model extensions like, for example, the MinimalSupersymmetric Standard Model and general two Higgs doublets models. Theinterplay between the Higgs sector of the model and that $Z^{\prime}$ gaugeboson enhances substantialy all the production rates of the lightest chargedHiggs boson, $H_{1}^{\pm}$, at hadron colliders compared to the MSSM. We foundthat a large portion of the parameters space can be probed at the LHC runningat 14 TeV center-of-mass energy in the associated $pp\rightarrowW^{\pm}H_{1}^{\mp}+X$ production channel in the low luminosity run stage of theexperiment.

Production of Charged Higgs Bosons in a 3-3-1 Model at the CERN LHC