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Dispersive Treatments of Decays and Hadronic Light-by-Light Scattering
Peter Stoffer
In this thesis, I present dispersive treatments of two hadronic processes: the semileptonic kaon decay and hadronic light-by-light scattering. The decay is…
Towards a data-driven analysis of hadronic light-by-light scattering
Gilberto Colangelo, Martin Hoferichter, Bastian Kubis +2
The hadronic light-by-light contribution to the anomalous magnetic moment of the muon was recently analyzed in the framework of dispersion theory, providing a systematic formalism…
Remarks on higher-order hadronic corrections to the muon g-2
Gilberto Colangelo, Martin Hoferichter, Andreas Nyffeler +2
Recently, it was shown that insertions of hadronic vacuum polarization at O(alpha^4) generate non-negligible effects in the calculation of the anomalous magnetic moment of the muon…
Dispersive approach to hadronic light-by-light scattering
Gilberto Colangelo, Martin Hoferichter, Massimiliano Procura +1
Based on dispersion theory, we present a formalism for a model-independent evaluation of the hadronic light-by-light contribution to the anomalous magnetic moment of the muon. In p…