We present a framework for the study of muon density patterns on the ground due to showers produced in the atmosphere by cosmic rays incident at high zenith angles. As a checking procedure predictions of a model based on such a framework are compared to simulation results.
@article{arxiv.astro-ph/0011490,
title = {Modelling Horizontal Air Showers Induced by Cosmic Rays},
author = {M. Ave and R. A. Vazquez and E. Zas},
journal= {arXiv preprint arXiv:astro-ph/0011490},
year = {2009}
}