2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44867We study possible deviations from the Standard Model in the reaction $e^+e^- \to Zϕ$, where $ϕ$ denotes a spinless neutral boson. We show how the $Z$ decay angular correlation can be used to extract detailed information on the $ϕ$ couplings, such as the parity of $ϕ$, radiatively induced form factor effects and possible CP violation in the scalar sector.4 pages, Latex, with 1 uuencoded figure. Talk given at "Workshop on Physics and Experiments with Linear e^+ e^- Colliders", Waikoloa, Hawaii, April 93High Energy Physics - Phenomenologytext