Preprint
Aug 2026
Multi-scattering processes and spectral properties of low-energy QCD
We compute quark and meson spectral functions in low-energy QCD, including all-order scatterings and decays of pions and the scalar $\sigma$-mode. For low energies the gluons decouple and the dynamics of two-flavour QCD is well-described by a Quark-Meson model. The computations are performed directly in Minkowski space...
Konrad Kockler, J. M. Pawlowski, Franz R. Sattler et al.
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