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The heliospheric modulation model HelMod solve the transport-equation for theGalactic Cosmic Rays propagation through the heliosphere down to Earth. It isbased on a 2-D Monte Carlo approach, that includes a general description of thesymmetric and antisymmetric parts of the diffusion tensor, thus, properlytreating the particle drift effects as well as convection within the solar windand adiabatic energy loss. The model was tuned in order to fit 1) the dataobserved outside the ecliptic plane at several distances from the Earth and 2)the spectra observed near the Earth for both, high and low solar activityperiods. Great importance was given to description of polar regions of theheliosphere. We present the flux for protons, antiprotons and helium nucleicomputed along the solar cycle 23-24 in comparison with experimentalobservations and prediction for the full solar cycle 24.

The HelMod Monte Carlo Model for the Propagation of Cosmic Rays in Heliosphere