On the eta-eta' complex in the SD-BS approach

Details On the eta-eta' complex in the SD-BS approach On the eta-eta' complex in the SD-BS approach

2000-12-20

arxiv.org/abs/hep-ph/0012267v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 1 figure, revtex. Invited talk presented by D. Klabucar at the workshop "Quark Matter in Astro- and Particle Physics

Scientific paper

The bound-state Schwinger-Dyson and Bethe-Salpeter (SD-BS) approach is
chirally well-behaved and provides a reliable treatment of the eta-eta' complex
although a ladder approximation is employed. Allowing for the effects of the
SU(3) flavor symmetry breaking in the quark-antiquark annihilation, leads to
the improved eta-eta' mass matrix.

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