2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41645Non-decoupling properties of additional heavy degrees of freedom in the Higgs sector of the Two-Higgs-doublet extension of the Standard model are discussed in a particular case of production of a pair of longitudinaly polarized W-bosons in the e^+e^- annihilation.7 pages, 12 figures; talk at the international conference RG2002, to be published in Acta Physica SlovacaHigh Energy Physics - Phenomenologytext