The Hadronic Light-by-Light Contribution to Muon g-2: A Short Review

Details The Hadronic Light-by-Light Contribution to Muon g-2: A Short Review The Hadronic Light-by-Light Contribution to Muon g-2: A Short Review

2009-07-16

arxiv.org/abs/0907.2938v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures. Invited talk given at "Photon09, International Conference on the Structure and Interactions of the Photon

Scientific paper

I review the recent calculations and current status of the hadronic light-by-light scattering contribution to muon g-2. In particular, I discuss the main results obtained in a recent work together with Eduardo de Rafael and Arkady Vainshtein where we came to the estimate a^{\rm HLbL}_\mu = (10.5 +- 2.6) x 10^{-10}. How the two-photon physics program of low energy facilities can help to reduce the present model dependence is also emphasized.

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