arXiv:2604.00996·v1·High Energy Physics — Phenomenology
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M.N. Ferreira🇧🇷 · A.S. Miramontes🇪🇸 · J.M. Morgado🇪🇸 · J. Papavassiliou🇪🇸 · J.M. Pawlowski🇩🇪
Abstract
We present a novel version of the pion Bethe-Salpeter equation in the chiral limit, solved using as ingredients state-of-the-art QCD correlation functions. The constraints imposed by the axial Ward-Takahashi identities are exactly fulfilled, both formally and numerically.
Comments: 6 pages, 4 figures. Submitted to the proceedings of the Excited QCD Workshop 2026