TY - GEN AU - Samir Zakaria Ahmed Sayed Shora AU - Hossam ElGebaly , AU - Mahmou Mahmoud Osman , AU - Mahmoud Yehia Ismail , TI - On the accuracy of the local density approximation / PY - 2006/// CY - Cairo : PB - Samir Zakaria Ahmed Sayed Shora , KW - dependence KW - directpotential KW - exchange potential KW - HI potential N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Science - Department Of Physics; Issued also as CD N2 - Chapter four we study the effect of neglecting s - dependence in the density dependent part of NN force on the direct part of HI interaction potentialOur calculations show that the effect of s - dependence is too strong for - interactionFor heavy nuclei , the value of the density distribution is nearly constant over a large distance measured from the center of the nucleus and the effect of s - dependence is small ER -