Description:

Title: Perturbative unitarity in the dark sector

Speaker: Will Shepherd, Bohr Institute
 

Abstract: Dark matter remains the single strongest experimental signal that new physics must exist. In this talk, I argue that, in multiple classes of thermal dark matter models, this can give us the next target scale for new physics searches, much like the breakdown in longitudinal vector boson scattering guaranteed a discovery at the LHC. I will discuss in particular the case of vector portal dark matter and of sfermion-like particles mediating dark matter interactions, showing that upper bounds on the masses of dark matter and other particles in the dark sector make them compelling targets for future collider experiments.