Pion pole contribution to hadronic light-by-light scattering and muon anomalous magnetic moment

Details Pion pole contribution to hadronic light-by-light scattering and muon anomalous magnetic moment Pion pole contribution to hadronic light-by-light scattering and muon anomalous magnetic moment

2001-12-07

arxiv.org/abs/hep-ph/0112117v1

Phys.Rev.Lett.88:071803,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, revtex

Scientific paper

10.1103/PhysRevLett.88.071803

We derive an analytic result for the pion pole contribution to the
light-by-light scattering correction to the anomalous magnetic moment of the
muon, $a_\mu = (g_\mu-2)/2$. Using the vector meson dominance model (VMD) for
the pion transition form factor, we obtain $a_\mu^{{\rm LBL},\pi^0} = +56
\times 10^{-11}$.

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