Impact of Muon Anomalous Magnetic Moment on Supersymmetric Models

Details Impact of Muon Anomalous Magnetic Moment on Supersymmetric Models Impact of Muon Anomalous Magnetic Moment on Supersymmetric Models

2001-03-27

arxiv.org/abs/hep-ph/0103280v2

Phys.Rev. D64 (2001) 035004

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 page REVTEX file with 10 PS figures. Minor rewording, typos corrected, references added

Scientific paper

10.1103/PhysRevD.64.035004

The recent measurement of a_\mu =\frac{g_\mu -2}{2} by the E821 Collaboration at Brookhaven deviates from the quoted Standard Model (SM) central value prediction by 2.6\sigma. The difference between SM theory and experiment may be easily accounted for in a variety of particle physics models employing weak scale supersymmetry (SUSY). Other supersymmetric models are distinctly disfavored. We evaluate a_\mu for various supersymmetric models, including minimal supergravity (mSUGRA), Yukawa unified SO(10) SUSY GUTs, models with inverted mass hierarchies (IMH), models with non-universal gaugino masses, gauge mediated SUSY breaking models (GMSB), anomaly-mediated SUSY breaking models (AMSB) and models with gaugino mediated SUSY breaking (inoMSB). Models with Yukawa coupling unification or multi-TeV first and second generation scalars are disfavored by the a_\mu measurement.

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