g_μ- 2 in Supersymmetry

Details g_μ- 2 in Supersymmetry g_μ- 2 in Supersymmetry

2001-10-31

arxiv.org/abs/hep-ph/0111004v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures, RevTeX4, contribution to Snowmass 2001

Scientific paper

The 2.6 sigma deviation in the muon's anomalous magnetic moment has strong implications for supersymmetry. In the most model-independent analysis to date, we consider gaugino masses with arbitrary magnitude and phase, and sleptons with arbitrary masses and left-right mixings. For tan(beta)=50, we find that 1 sigma agreement requires at least one charged superpartner with mass below 570 GeV; at 2 sigma, this upper bound shifts to 850 GeV. The deviation is remarkably consistent with all constraints from colliders, dark matter, and b -> s gamma in supergravity models, but disfavors the characteristic gaugino mass relations of anomaly-mediation.

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