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Nucleon matrix elements of the antisymmetric quark tensor
Martin Hoferichter, Bastian Kubis, Jacobo Ruiz de Elvira +1
If physics beyond the Standard Model enters well above the electroweak scale, its low-energy effects are described by Standard Model Effective Field Theory. Already at dimension si…
A new parametrization for the scalar pion form factors
Stefan Ropertz, Christoph Hanhart, Bastian Kubis
We derive a new parametrization for the scalar pion form factors that allows us to analyze data over a large energy range via the inclusion of resonances, and at the same time to e…
Quark-mass dependence in decays
Maximilian Dax, Tobias Isken, Bastian Kubis
We study the quark-mass dependence of decays, based on a dispersion-theoretical framework. We rely on the quark-mass-dependent scattering phase shift for the pion-pion …
Dispersion relation for hadronic light-by-light scattering: pion pole
Martin Hoferichter, Bai-Long Hoid, Bastian Kubis +2
The pion-pole contribution to hadronic light-by-light scattering in the anomalous magnetic moment of the muon is fully determined by the doubly-virtual pion transition fo…
Pion-pole contribution to hadronic light-by-light scattering in the anomalous magnetic moment of the muon
Martin Hoferichter, Bai-Long Hoid, Bastian Kubis +2
The pole constitutes the lowest-lying singularity of the hadronic light-by-light (HLbL) tensor, and thus provides the leading contribution in a dispersive approach to HLbL sc…
Workshop on Pion-Kaon Interactions (PKI2018) Mini-Proceedings. Editors: M. Amaryan, Ulf-G. Meißner, C. Meyer, J. Ritman, and I. Strakovsky
M. Amaryan, M. Baalouch, G. Colangelo +21
This volume is a short summary of talks given at the PKI2018 Workshop organized to discuss current status and future prospects of pi-K interactions. The precise data on pi-K intera…