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Data-driven dispersive analysis of the and scattering
Igor Danilkin, Oleksandra Deineka, Marc Vanderhaeghen
We present a data-driven analysis of the resonant S-wave and reactions using the partial-wave dispersion relation. The contributions from the left-hand cuts…
The anomalous magnetic moment of the muon in the Standard Model
T. Aoyama, N. Asmussen, M. Benayoun +129
We review the present status of the Standard Model calculation of the anomalous magnetic moment of the muon. This is performed in a perturbative expansion in the fine-structure con…
Light-by-light scattering sum rule for radiative transitions of bottomonia
Victor Ananyev, Igor Danilkin, Marc Vanderhaeghen
We generalize a forward light-by-light scattering sum rule to the case of heavy quarkonium radiative transitions. We apply such sum rule to the bottomonium states, and use availabl…
Simultaneous description of the processes
Igor Danilkin, Daniel A. S. Molnar, Marc Vanderhaeghen
In this work, we provide a simultaneous and accurate description of the and invariant mass distributions of the recent BESIII data on $e^+ e^- \to J/ψ\; π^+…