2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132334The experimental charged particles multiplicity distributions in $e^+e^-$ annihilation to hadrons are compared with the distributions obtained by PYTHIA. The ratio $χ^2$/degrees of freedom is calculated for 6 energies at $\sqrt{s}$ 14 -- 206.2 GeV. The necessity of more subtle tuning of PYTHIA at the energy of $Z^0$ peak is discussed.17 pages, 9 figuresHigh Energy Physics - Phenomenologytext