Angular Distribution of Protons Inelastically Scattered from Si²⁸ and Mg²⁴

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The angular distributions and the excitation curves of protons inelastically scattered from Si²⁸ (Q=−1.78 MeV) and Mg²⁴ (Q=−1.37 MeV) have been measured in the energy range E_p=4.8 to 5.7 MeV. A broad resonance was observed in each excitation functions. The angular distributions in Mg²⁴ show an asymmetry about the centre-of-mass scattering angle θ=90° and a strong dependence with the energy of incident protons. while in Si²⁸ the angular distributions are rather symmetric than in Mg²⁴.