Tariq Mahmoud 04101968 - Tammoun/Palestine - IIHE

Extra DimensionsSolve the hierarchy problem by space-time geometrymodificationExperimental signatures- 1/r2 law deviations at small distances- Direct/indirect observation of KK particles2 classes of models:- Large scale ED (ADD) & - Randall-SundrumHIER: variation of the ADD model, ED scale R c ~Tev -1• At least 2 large ED where gravity propagates• 1 small ED with R c =1/M c ~Tev -1 where gauge bosons propagateAppearance of Kaluza-Klein towers of states for gaugeboson fields: γ (n) , Z (n) (W (n) ,g (n) )