Regular Article - Theoretical Physics
Z boson decay to photon plus Kaluza–Klein graviton: large extra dimensional bounds
Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Centre for Mathematical Sciences, Wilberforce Road, Cambridge, CB3 0WA, UK
* e-mail: J.P.Skittrall@damtp.cam.ac.uk
Published online: 8 April 2008
We consider the phenomenology of the decay of a Z boson into a photon and a Kaluza–Klein excitation of the graviton in the ADD model. Using LEP data, we obtain an upper bound on the branching ratio corresponding to this process of ∼10-11. We also investigate energy profiles of the process.
© Springer-Verlag , 2008