Abstract We study the processes $$K{\bar{K}} \rightarrow \phi $$ K ¯ → ϕ , $$\pi D D^*$$ π D ∗ {\bar{D}} {\bar{D}}^*$$ and production of ...

We apply the diabatic framework, a QCD-based formalism for unified study of quarkoniumlike systems in terms heavy quark-antiquark and open-flavor meson-meson components, to description coupled-channel scattering. For this purpose, we first introduce numerical scheme find solutions Schr\"odinger equation energies continuum, then derive general formula calculating scattering amplitudes from these...

We present a detailed analysis of exclusive semileptonic decays of Bc meson involving pseudoscalar and vector mesons in the BSW framework, by investigating the effects of the flavor dependence on the average transverse quark momentum inside a meson. Branching ratios of exclusive semileptonic decays of Bc meson are predicted. PACS number(s): 13.20.-v, 13.20.He, 12.39.Ki

We argue that the description of meson-nucleon dynamics based on the boson-exchange approach, is compatible with the description of the nucleon as a soliton in the nonrelativistic limit. Our arguments are based on an analysis of the meson-soliton form factor and the exact meson-soliton and soliton-soliton scattering amplitudes in the Sine-Gordon model.

We show the results for the scattering poles associated to the ρ, f 0 , a 0 , K * , σ and κ resonances in meson-meson scattering. Our amplitudes are obtained from the complete one-loop meson-meson scattering amplitudes from Chiral Perturbation Theory. Once unitarized with the Inverse Amplitude Method, they describe remarkably well the data simultaneously in the low energy and resonance regions ...