https://doi.org/10.1140/epjc/s10052-014-3008-y
Regular Article - Theoretical Physics
Single meson contributions to the muon’s anomalous magnetic moment
1
Institut für Kernphysik, Johannes Gutenberg-Universität, Mainz, Germany
2
PRISMA Cluster of Excellence, Johannes Gutenberg-Universität, Mainz, Germany
3
Department of Physics, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
* e-mail: pauk@uni-mainz.de
Received:
12
May
2014
Accepted:
25
July
2014
Published online:
9
August
2014
We develop the formalism to provide an improved estimate for the hadronic light-by-light correction to the muon’s anomalous magnetic moment 
, by considering single meson contributions beyond the leading pseudoscalar mesons. We incorporate available experimental input as well as constraints from light-by-light scattering sum rules to estimate the effects of axial-vector, scalar, and tensor mesons. We give numerical evaluations for the hadronic light-by-light contribution of these states to . The presented formalism allows one to further improve on these estimates, once new data for such meson states will become available.
© SIF and Springer-Verlag Berlin Heidelberg, 2014
