Weak Magnetic Dipole Moments in the MSSM

Details Weak Magnetic Dipole Moments in the MSSM Weak Magnetic Dipole Moments in the MSSM

1997-07-28

arxiv.org/abs/hep-ph/9707487v1

Nucl.Phys. B519 (1998) 101-114

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, LaTex, uses psfig.sty with 6 figures

Scientific paper

10.1016/S0550-3213(98)00033-9

We calculate the weak magnetic dipole moment of different fermions in the MSSM. In particular, we consider in detail the predictions for the WMDM of the tau lepton and bottom quark. We compare the purely SUSY contributions with two Higss doublet models and SM predictions. For the tau lepton, we show that chargino diagrams give the main SUSY contribution, which for tan beta=50 can be one order of magnitude bigger than the SM prediction. For the b quark, gluino diagrams provide the main SUSY contribution to its weak anomalous dipole moment, which is still dominated by gluon contributions. We also study how the universality assumption in the slepton sector induces correlations between the SUSY contributions to the tau WMDM and to (g-2) of the muon.

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