Beliebiger Eintrag,

Muon anomalous magnetic moment and penguin loops in warped extra dimensions

, , und .
(28.04.2014)

Zusammenfassung

We describe the computation of the one-loop muon anomalous magnetic moment and radiative penguin transitions in the minimal and custodially protected Randall-Sundrum model. A fully five-dimensional (5D) framework is employed to match the 5D theory onto the Standard Model extended by dimension-six operators. The additional contribution to the anomalous magnetic moment from the gauge-boson exchange contributions is Delta a\_mu 8.8 (27.2) x 10^(-11) x (1 TeV/T)^2, where the first (second) number refers to the minimal (custodially-protected) model. Here \$1/T\$ denotes the location of the TeV brane in conformal coordinates, and is related to the mass of the lowest gauge-boson KK excitation by M\_KK 2.35 T. We also determine the Higgs-exchange contribution, which depends on the 5D Yukawa structure and the precise interpretation of the localisation of the Higgs field near or at the TeV brane.

Tags

Nutzer

  • @cmcneile

Kommentare und Rezensionen