In the framework of the Glauber multiple scattering theory, the complete expansion ͑which contains 2 AϫB Ϫ1 terms͒ of the Glauber amplitude of elastic scattering between two nuclei A, Bу4 is obtained. Using double Gaussian density consistent with the electron-scattering experiments, the differential cross section (nuclearϩCoulomb) is calculated and compared with the experimental data. It is shown that, in general, higher order terms give a substantial improvement in comparison with the previous optical limit results at relatively large scattering angles. The effect of invoking a phase-variation in the nucleon-nucleon ͑NN͒ amplitude is examined. We found that the presence of the phase variation improves our results, especially at the minima of the diffraction pattern.
Within the formalism of Glauber multiple scattering theory, high-energy elastic collisions between light and medium weight nuclei (A,Bу4) have been investigated by invoking an exact center-of-mass correlation function in each order of the complete expansion of the phase-shift function. The calculated angular distributions (nuclearϩCoulomb), using the developed formulas, show better agreement with the scattering data.
The thermostatic properties of polarized nuclear matter are calculated using an extended form of the Seyler-Blanchard potential. Different special cases of polarized nuclear matter are considered according to the values of X, Y, and Z, the neutron excess parameter, and the sum and difference of neutron and proton spin up excess parameters, respectively. The reliability of the T approximation is also discussed. A reasonable agreement with previous results is obtained.
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