Updated constraints from B physics on the MSSM and the NMSSM

Abstract

We update constraints from B physics observables on the parameters of the MSSM and the NMSSM, combining them with LEP constraints. Presently available SM and Susy radiative corrections are included in the calculations, which will be made public in the form of a Fortran code. Results for the tan β and M H dependence of BR( X sγ) are presented, as well as constraints on the NMSSM specific case of a light CP odd Higgs scalar. We find that the latter are essentially due to BR( s μ +μ -), but they do not exclude this possibility. © SISSA 2007.