Abstract
If supersymmetric particles are discovered, an important problem will be to determine how supersymmetry has been broken. At collider energies, supersymmetry breaking can be parameterised by soft supersymmetry breaking parameters. Several mechanisms for supersymmetry breaking have been proposed, which are all characterised by patterns in the high scale values of these parameters. Therefore, looking for such patterns will give us important clues about the way supersymmetry has been broken in Nature. In this master thesis, we study an approach to find these patterns using Renormalisation Group invariants. We construct sum rules that test properties of the spectrum at the scale of supersymmetry breaking, provided that the Minimal Supersymmetric Standard Model is a good description of Nature at collider energies and all soft mass parameters and gauge couplings have been determined. Subsequently, we examine to what extent these sum rules can distinguish between different supersymmetry breaking scenarios. It is found that our sum rules provide unambiguous checks in almost all cases.
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