Effects of Large CP violating phases on $g_{\m}-2$ in MSSM

Details Effects of Large CP violating phases on $g_{\m}-2$ in MSSM Effects of Large CP violating phases on $g_{\m}-2$ in MSSM

1999-08-23

arxiv.org/abs/hep-ph/9908443v1

Phys.Rev. D62 (2000) 015004

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages Latex file including 4 figures

Scientific paper

10.1103/PhysRevD.62.015004

Effects of CP violation on the supersymmetric electro-weak correction to the anomalous magnetic moment of the muon are investigated with the most general allowed set of CP violating phases in MSSM. The analysis includes contributions from the chargino and the neutralino exchanges to the muon anomaly. The supersymmetric contributions depend only on specific combinations of CP phases. The independent set of such phases is classified. We analyse the effects of the phases under the EDM constraints and show that large CP violating phases can drastically affect the magnitude of the supersymmetric electro-weak contribution to $a_{\mu}$ and may even affect its overall sign.

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