Hadronic atoms in QCD + QED
J. Gasser (Bern U.), V.E. Lyubovitskij (Tuebingen U.), A. Rusetsky, (Bonn U., HISKP)
TL;DR
This paper reviews the theoretical framework of hadronic atoms within QCD and QED, highlighting applications to meson-meson, meson-nucleon, and meson-deuteron systems, and comparing quantum field theory with traditional potential scattering methods.
Contribution
It introduces a non-relativistic effective Lagrangian approach to hadronic atoms and compares it with traditional quantum-mechanical methods.
Findings
Unified framework for hadronic atoms in QCD + QED
Application to various mesonic and nucleonic systems
Comparison of quantum field theory and potential scattering approaches
Abstract
We review the theory of hadronic atoms in QCD + QED, based on a non-relativistic effective Lagrangian framework. We first provide an introduction to the theory, and then describe several applications: meson-meson, meson-nucleon atoms and meson-deuteron compounds. Finally, we compare the quantum field theory framework used here with the traditional approach, which is based on quantum-mechanical potential scattering.
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