Seminarium "Teoria cząstek elementarnych i kosmologia"

Models with a single additional large electroweak scalar multiplet extend the Standard Model in a simple way, and further provide a natural dark matter candidate. It is then of great interest to determine what constraints, if any, are to be placed on these models. In this talk we examine two different classes of scalar multiplet models, using a combination of theoretical limits and experimental measurements to describe their parameter space.