Ben Allanach
Speaker affiliation: 
University of Cambridge
Friday, October 25, 2013 - 17:15
Building 44 (Shackleton) Lect. Theatre B
Multiple Solutions to the Constrained Minimal Supersymmetric Standard Model

Renormalisation Group Equations are normally thought of as having unique solutions. However, when there is more than one parameter, and boundary conditions are set at more than one scale, there may be several different solutions. This can be the case even when all boundary conditions are linear in the parameters.
We demonstrate an example of this in the constrained minimal supersymmetric standard model. Such multiple solutions were not found before because of instabilities in the algorithms employed to solve the renormalisation group equations and boundary conditions.