Abstract
In this work, we study systems composed of a and meson pair. We find three bound states in isospin, spin-parity channels , and . The state with can be a good candidate for the . We also study the system, and a bound state with mass MeV and width around MeV is obtained, which can be identified with the resonance. In the case of , one obtains repulsion and thus, no exotic (molecular) mesons in this sector are generated in the approach.
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