Absence of Gluonic Components in Axial and Tensor Mesons

Details Absence of Gluonic Components in Axial and Tensor Mesons Absence of Gluonic Components in Axial and Tensor Mesons

2000-05-18

arxiv.org/abs/hep-ph/0005193v1

Eur.Phys.J. C17 (2000) 173-177

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages

Scientific paper

10.1007/s100520000444

A quarkonium-gluonium mixing scheme previously developed to describe the characteristic of the pseudoscalar mesons is applied to axial and tensor mesons. The parameters of the model are determined by fitting the eigenvalues of a mass matrix. The corresponding eigenvectors give the proportion of light quarks, strange quarks and glueball in each meson. However the predictions of the model for branching ratios and electromagnetic decays are incompatible with the experimental results. These results suggest the absence of gluonic components in the states of axial and tensor isosinglet mesons analyzed here.

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