Speaker
Abstract:
Kinematic Edges are useful probe to measure masses of new particles in cascade decays. Particularly, in long SUSY decay chains, they provide precious information to constrain a largely unknown parameter space. Kinematic Edges are usually derived assuming intermediate particles on-shell which is hardly true in SUSY scenarios. Furthermore it is often the case that intermediate particles are flavor eigenstates, that is superposition of mass eigenstates.
After providing a brief introduction on kinematic edges, we will study first how a non vanishing intermediate particle decay width affects the shape of the edge. We will then address the main question of the talk, that is how the kinematic edges look if flavor oscillations are not negligible. We will come up with a neat edge resolution criterion and conclude that the number of edges provides only a lower bound on the number of intermediate particle which took part in the process.
