2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47239It is shown that, at a 500 GeV LC, a number of different theoretical models would be unambigously identified by their virtual effects. Negative limits in case of no signal identification are also derived.10 pages and 4 figures. e-mail: renard@lpm.univ-montp2.frHigh Energy Physics - Phenomenologytext