2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46052This thesis concerns the testing of the SM and its extensions in e+e- collisions, the main emphasis being on neutrino physics (abridged abstract).47 pages, Academic Dissertation, 1 figure, Uses DVIPS macros, Full Postscript version can be found from URL http://blues.helsinki.fi/~vuopionp/thesis.psHigh Energy Physics - Phenomenologytext