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Variational Calculation of the Doubly-Excited States Nsnp of He-Like Ions via the Modified Atomic Orbitals Theory

2021; Scientific Research Publishing; Volume: 12; Issue: 02 Linguagem: Inglês

10.4236/jmp.2021.122011

2153-120X

Abdourahmane Diallo, Ibrahima Sakho, Jean Kouhissoré Badiane, Mamadou Diouldé Ba, Modou Tine,

Mass Spectrometry Techniques and Applications

In this paper, we have declined the formalism of the method of the Modified Atomic Orbital Theory (MAOT) applied to the calculations of energies of doubly excited states 2snp, 3snp, and 4snp Helium-like systems. Then we also applied the variational procedure of the Modified Atomic Orbital Theory to the computations of total energies, excitation energies of doubly-excited states 2snp, 3snp, 4snp types of Helium-like systems. The results obtained in this work are in good agreement with the experimental and theoretical values available.