Phenomenological Schwinger-Dyson approach to eta-eta' mass matrix
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It is reviewed pedagogically how a very successful description of the eta-eta' mass matrix can be achieved in the consistently coupled Schwinger-Dyson and Bethe-Salpeter approach in spite of the limitations of the ladder approximation. This description is in agreement with both phenomenology and lattice results.
Talk at the Mini-Workshop "Quarks and Hadrons", 7-14 July 2002, Bled, Slovenia, uses their proceedings LaTeX style, 7 pages
Talk at the Mini-Workshop "Quarks and Hadrons", 7-14 July 2002, Bled, Slovenia, uses their proceedings LaTeX style, 7 pages