2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207651We demonstrate that an LHC Higgs search in weak boson fusion production with subsequent decay to weak boson pairs is robust against extensions of the Standard Model or MSSM involving a large number of Higgs doublets. We also show that the transverse mass distribution provides unambiguous discrimination of a continuum Higgs signal from the Standard Model.12p, 2 figs., additional comments on backgrounds, version to appear in PRDHigh Energy Physics - Phenomenologytext