How light can the lightest Neutralino be? - Constraints from collider physics, precision observables, meson decays, astrophysics and cosmology

by Herbi Dreiner (Universität Bonn)

Tuesday 21 Apr 2009, 16:45 → 18:15 Europe/Berlin

Hoersaal (MPP)

We investigate the lower experimental bounds on the lightest neutralino. We consider bounds from LEP, hadron colliders, precision observables, rare meson decays as well as astrophysics and cosmology. We show that a massless neutralino is consistent with all observables.