Speaker
Terry Pilkington
(Carleton University)
Description
Models with a single additional electroweak scalar multiplet provide a simple extension to the Standard Model. Such models may also 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 models: those with an accidental U(1) symmetry, and those with an accidental Z_2 symmetry. We use a combination of tree-level perturbative unitarity, electroweak precision measurements, cosmological relic density, and direct detection limits to constrain these models.
Authors
Prof.
Heather Logan
(Carleton U.)
Terry Pilkington
(Carleton University)
