Noncommutative QED and Muon Anomalous Magnetic Moment | Zendy

Xiaojun Wang | Zendy; Mu-Lin Yan | Zendy

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Noncommutative QED and Muon Anomalous Magnetic Moment

Author(s) -

Xiaojun Wang,

Mu-Lin Yan

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/03/047

Subject(s) - muon , anomalous magnetic dipole moment , physics , noncommutative geometry , particle physics , magnetic moment , quantum electrodynamics , nuclear physics , moment (physics) , loop (graph theory) , mathematical physics , quantum mechanics , mathematics , combinatorics

The muon anomalous $g$ value, $a_\mu=(g-2)/2$, is calculated up to one-looplevel in noncommutative QED. We argue that relativistic muon in E821 experimentnearly always stays at the lowest Landau level. So that spatial coordinates ofmuon do not commute each other. Using parameters of E821 experiment, $B=14.5$KGand muon energy 3.09GeV/c, we obtain the noncommutativity correction to $a_\mu$is about $1.57\times 10^{-9}$, which significantly makes standard modelprediction close to experiment.Comment: revtex, 6 page, 5 figure

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