The non-minimal flavour-violating MSSM: Constraints and phenomenology

par Björn Herrmann (ITPA Würzburg)

lundi 30 mars 2009, 14:00 → 15:00 Europe/Paris

Amphithéâtre

Despite its great potential to solve the open questions of the Standard Model, there are still unresolved issues in the Minimal Supersymmetric Standard Model (MSSM). One of those is the so-called "flavour problem", comprising the fact that important flavour-changing neutral currents can appear in contrast to experimental measurements, if the MSSM is embedded in a larger framework such as GUT theories. The so induced flavour-violating terms can be considered as additional parameters and affect the phenomenology at the electroweak scale. After a brief review of the MSSM, I will introduce the possibility of non-minimal flavour violation in scenarios with minimal supergravity (mSUGRA) and gauge-mediated Supersymmetry-breaking (GMSB). I will discuss the electroweak, low energy, and cosmological constraints and show how the preferred regions of parameter space depend on the induced flavour mixing in the squark sector. For defined benchmark scenarios, I will then discuss the production of supersymmetric particles at the LHC.

Slides SeminarHerrmannCPPM.pdf