J^PC Exotic Mesons from the Bethe-Salpeter Equation

Details J^PC Exotic Mesons from the Bethe-Salpeter Equation J^PC Exotic Mesons from the Bethe-Salpeter Equation

2002-06-18

arxiv.org/abs/hep-ph/0206161v1

Few Body Syst. 32 (2002) 119-126

Physics

High Energy Physics

High Energy Physics - Phenomenology

Published version, 5 pages

Scientific paper

10.1007/s00601-002-0113-5

Masses for vector 1--, axialvector 1+-, 1++, and exotic-vector 1-+ mesons are calculated within a quantum field theoretic framework based on the Dyson-Schwinger equations using a model form of the quark-antiquark interaction that is separable. The model provides an excellent description of pion and K-meson observables and the flavor-octet ground-state meson spectrum. With no adjustments to model parameters, a numerical solution of the Bethe-Salpeter equation yields two exotic 1-+ mesons with masses of 1439 and 1498 MeV.

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