2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41825This work is a pedagogical introduction to the Lund string fragmentation model and the Feynman-Field hadron production model. Derivations of important formulas are worked out in details whenever possible. An example is given to show how to evaluate the invariant meson production cross section using the Monte Carlo integration technique.46 pages, 10 figures, taken from the appendices of my Ph. D. dissertationHigh Energy Physics - Phenomenologytext