Sala Seminarios IFIC (Edf. Institutos de Investigación)
Sala Seminarios IFIC
Edf. Institutos de Investigación
Descripción
The prospect for observational tests of superstring unification of thefundamental forces is explored. The unification of the gauge couplingsprovides quantitative support for an underlying unification and itssuccess limits the possible new physics at high scales. In string theorythe unification extends to the gravitational interaction and leads to afurther quantitative prediction for the unification scale which isrelated to the Planck scale. After including heavy threshold correctionsthe weakly coupled heterotic string prediction is in excellent agreementwith experiment. We discuss the general profile of the underlying stringtheory which maintains this success and identify general features of theeffective low energy theory that can be experimentally tested.