Pseudo scalar contributions to light-by-light correction of muon g-2 in AdS/QCD

Details Pseudo scalar contributions to light-by-light correction of muon g-2 in AdS/QCD Pseudo scalar contributions to light-by-light correction of muon g-2 in AdS/QCD

2009-04-26

arxiv.org/abs/0904.4042v3

Phys.Lett.B680:480-484,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

v3. 13 pages, 6 figures, slightly expanded and reorganized for clarity

Scientific paper

10.1016/j.physletb.2009.09.026

We have performed a holographic calculation of the hadronic contributions to the anomalous magnetic moment of the muon, using the gauge/gravity duality. We study a model of holographic QCD in the five dimensional AdS background with a hard-wall cutoff. Both 5D SU(2) and U(3) flavor gauge symmetries are considered for the neutral pion, eta and eta' contributions to the hadronic corrections. We find the total light-by-light contributions of pseudo scalars to the muon anomalous magnetic moment, a_mu=10.7 x 10^(-10), which is consistent with previous estimates, based on other approaches.

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