The qqbar S-wave axial-vector mesons in the covariant U~(12)-scheme

Details The qqbar S-wave axial-vector mesons in the covariant U~(12)-scheme The qqbar S-wave axial-vector mesons in the covariant U~(12)-scheme

2007-12-05

arxiv.org/abs/0712.0658v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages; Talk presented at the XII International Conference on Hadron Spectroscpy(Hadron 07), Frascati (Rome), 8-13 October 20

Scientific paper

We study the properties of axial vector mesons a1 and b1 as relativistic S-wave states which are predicted in the U~(12)-scheme, through the analyses of their radiative and pionic decays. Specifically, partial widths of the strong a1 (b1) -> rho(omega) pi processes, their D/S-wave amplitude ratios, and radiative transition widths of a1(b1) -> pi gamma processes are calculated by using a simple decay interaction model, and made a comparison with the respective experimental values.

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