Muon anomalous magnetic moment in string inspired extended family models

Abstract

We propose a standard model minimal extension with two lepton weak SU(2) doublets and a scalar singlet to explain the deviation of the measured anomalous magnetic moment of the muon from the standard model expectation. This scheme can be naturally motivated in string inspired models such as E_6 and AdS/CFT.

Comments: 9 pages, RevTeX, 2 figures, version to be published in Phys. Rev. D