| We investigate the scattering process of meson-meson system in the unitarized quark model. The poles on the different Riemann sheets and resonances are discussed for different isospin systems such as for Kπsystem with I=1/2,ππsystem with I=0 andπηsystem with 1=1. Further, in order to study the effects of different form factors on the poles, we propose a single-pole form factor. The calculated results are compared with those of Gaussian form factor. |
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