Scattering of high-energy α particles on12C

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Abstract
Glauber multiple-scattering theory is applied to an analysis of the elastic and inelastic scattering of 1.37 GeV alpha particles on 12C. An approach which treats the N- alpha amplitude at an incident nucleon kinetic energy equal to the alpha -kinetic energy per particle as the basic interaction is adopted. Using the gaussian model for 4He to obtain the N- alpha amplitude in terms of the NN amplitude it is found that, in general, the experimental data may be explained qualitatively. However, large discrepancies in terms of the magnitude of the cross sections in the small-angle region and the positions of the minima in the angular distribution at larger angles are generally present. Effects of the two-body correlation in the projectile as well as in the target are also investigated.