Proton scattering at intermediate energies on Ni-58: How well is it understood?

M. Hofmann, C. Bäumer, A.M. van den Berg, D. Frekers, V.M. Hannen, M.N. Harakeh, M.A. de Huu, Y. Kalmykov, P. von Neumann-Cosel^*, V.Yu. Ponomarev, S. Rakers, B. Reitz, A. Richter, K. Schweda, A. Shevchenko, J. Wambach, H.J. Wörtche