Muon Anomalous Magnetic Moment (g-2)_mu and the Randall-Sundrum Model

Details Muon Anomalous Magnetic Moment (g-2)_mu and the Randall-Sundrum Model Muon Anomalous Magnetic Moment (g-2)_mu and the Randall-Sundrum Model

2001-03-13

arxiv.org/abs/hep-ph/0103127v3

Phys.Lett. B511 (2001) 251-256

Physics

High Energy Physics

High Energy Physics - Phenomenology

Final version to appear in PLB

Scientific paper

10.1016/S0370-2693(01)00635-9

We study the effects of the Kaluza-Klein gravitons in the Randall-Sundrum model on the recent BNL measurements of the muon (g-2) deviation from the standard model prediction. By examining the J-partial wave unitarity bounds of the elastic process gamma+gamma->gamma+gamma, the cut-off on the number of massive KK gravitons, n_c, has been introduced. We found that the recently measured (Delta a_mu) can be accommodated in the RS model, within the natural parameter space allowed by the perturbative unitarity. For example, dozens (hundreds) of the n_c for Lambda_pi=1-2 TeV (3 TeV) can explain the reported Delta a_mu.

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