Speaker
Michael Kachelrieß
Description
External electroweak bremsstrahlung leads for dark matter (DM) masses much
heavier than the weak scale to the break-down of perturbative unitarity,
requiring a resummation of large log's similar to the case of QCD. More
recently, it has been realised that internal electroweak bremsstrahlung
can lift - analogously to the electromagnetic case - the helicity
suppression of certain annihilation channels, thereby affecting strongly
observable signatures used in indirect DM searches. I review the impact
of theses processes on DM annihilation and their signatures.
