2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43329Introducing such a notion as a "excitation of physical vacuum" we do an attempt to explain some strange experimental facts such as large value of $σ$-term measured in pion-nucleon low energy scattering, $ΔT=1/2$ rule in kaon two pion decay modes, the ratio of strange to nonstrange yield in low energy proton-antiproton annihilation, excess of soft photons in hadron's collisions. As a test of our approach we suggest to measure the multiparticle production processes and decays of heavy virtual objects.8 pages, 3 figuresHigh Energy Physics - PhenomenologyExcitation of Physical Vacuumtext