Interactions at large distances and spin effects in nucleon-nucleon and nucleon-nuclei scattering
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The momentum-transfer dependence of the slopes of the spin-non-flip and spin-flip amplitudes is analysed. It is shown that the long tail of the hadronic potential in impact parameter space leads for hadron-hadron interactions to a larger value of the slope for the reduced spin-flip amplitude than for the spin-non-flip amplitude. It is shown that the preliminary measurement of AN obtained by the E950 Collaboration confirms such a behaviour of the hadron spin-flip amplitude.
5 pages, 3 figures, LaTeX, to appear in the proceedings of the Xth Workshop on High-Energy Spin Physics, Dubna, September 16-20, 2003
5 pages, 3 figures, LaTeX, to appear in the proceedings of the Xth Workshop on High-Energy Spin Physics, Dubna, September 16-20, 2003