On the ϕ(1020)f_0(980) S-wave scattering and the Y(2175) resonance

Abstract

We have studied the ϕ(1020)f_0(980) S-wave scattering at energies around threshold employing chiral Lagrangians coupled to vector mesons through minimal coupling. The interaction kernel is obtained by considering the f_0(980) as a K\bar{K} bound state. The Y(2175) resonance is generated in this approach by the self-interactions between the ϕ(1020) and the f_0(980) resonances. We are able to describe the e^+e^-\to ϕ(1020)f_0(980) recent scattering data to test experimentally our scattering amplitudes, concluding that the Y(2175) resonance has a large ϕ(1020)f_0(980) meson-meson component.

arXiv comment20 pages, 8 figures

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