Department of Experimental Sciences, UFR Sciences and Technologies University of Thies, Thies, Senegal;
Atoms Laser Laboratory, Department of Physics, Faculty of Sciences and Technologies, University Cheikh Anta Diop, Dakar, Senegal;
Doubly Excited States; Helium-Like Systems; Screening Constant by Unit Nuclear Charge (SCUNC); Wave Functions Correlated; Total Energy;