Noncommutative QED and Muon Anomalous Magnetic Moment

Details Noncommutative QED and Muon Anomalous Magnetic Moment Noncommutative QED and Muon Anomalous Magnetic Moment

2001-09-12

arxiv.org/abs/hep-th/0109095v2

JHEP 0203 (2002) 047

Physics

High Energy Physics

High Energy Physics - Theory

revtex, 6 page, 5 figures

Scientific paper

10.1088/1126-6708/2002/03/047

The muon anomalous $g$ value, $a_\mu=(g-2)/2$, is calculated up to one-loop level in noncommutative QED. We argue that relativistic muon in E821 experiment nearly always stays at the lowest Landau level. So that spatial coordinates of muon do not commute each other. Using parameters of E821 experiment, $B=14.5$KG and muon energy 3.09GeV/c, we obtain the noncommutativity correction to $a_\mu$ is about $1.57\times 10^{-9}$, which significantly makes standard model prediction close to experiment.

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