Hadronic contributions to the muon anomaly in the constituent chiral quark model

  • David GreynatEmail author
  • Eduardo de Rafael
Open Access


The hadronic contributions to the anomalous magnetic moment of the muon which are relevant for the confrontation between theory and experiment at the present level of accuracy, are evaluated within the same framework: the constituent chiral quark model. This includes the contributions from the dominant hadronic vacuum polarization as well as from the next-to-leading order hadronic vacuum polarization, the contributions from the hadronic light-by-light scattering, and the contributions from the electroweak hadronic Zγγ vertex. They are all evaluated as a function of only one free parameter: the constituent quark mass. We also comment on the comparison between our results and other phenomenological evaluations.


Phenomenological Models NLO Computations 


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Copyright information

© SISSA 2012

Authors and Affiliations

  1. 1.Departamento de Física Teórica, Facultad de CienciasUniversidad de ZaragozaZaragozaSpain
  2. 2.Centre de Physique Théorique, CNRS-LuminyMarseille Cedex 9France

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