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g_mu - 2 in Supersymmetry | | Jonathan L. Feng
; Konstantin T. Matchev
; | | Date: |
1 Nov 2001 | | Subject: | hep-ph | | Affiliation: | MIT, UC Irvine), Konstantin T. Matchev (CERN | | Abstract: | 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. | | Source: | arXiv, hep-ph/0111004 | | Services: | Forum | Review | PDF | Favorites | |
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