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most citedWhat is the structure of the Roper resonance?

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hep-ph2002★ 10 cited

Meson model for f_0(980) production in peripheral pion-nucleon reactions

F. P. Sassen, S. Krewald, J. Speth

The Juelich model for pion-pion-scattering, based on an effective meson-meson Lagrangian is applied to the analysis of the S-wave production amplitudes derived from the BNL E852 ex…