Spectroscopic Determinations from Resonance Spin-Flip

Proton spin-flip in ${}_{}{}^{12}{}_{}{}^{}\mathrm{C}(p, p_1){}_{}{}^{12}{}_{}{}^{}\mathrm{C}(2^{+}, 4.44 \mathrm{MeV})$ has been measured in the region of the narrow ${\frac{3}{2}}^{-}$ resonance near 8.18 MeV proton energy. Large interference is observed between the resonant and background spin-flip. The configuration of the resonant state in terms of a proton coupled to the $2^{+}$ level of ${}_{}{}^{12}{}_{}{}^{}\mathrm{C}$ was obtained from a model-independent analysis. The data are sufficient to allow a self-consistent test of the theoretical formulation.