Scalar meson and glueball decays within a effective chiral approach
arXiv:hep-ph/0504033 · doi:10.1016/j.physletb.2005.07.016
Abstract
We study the strong and electromagnetic decay properties of scalar mesons above 1 GeV within a chiral approach. The scalar-isoscalar states are treated as mixed states of quarkonia and glueball configurations. A fit to the experimental decay rates listed by the Particle Data group is performed to extract phenomenological constraints on the nature of the scalar resonances. A comparison to other theoretical approaches in the scalar meson sector is discussed.
13 pages, accepted for publication in PLB