Abstract

• In this research paper, the  single particle energies and radial wave functions of La 139  have been investigated, by solving numerically Schrödinger equation with Numerov Method. The phenomenological Woods-Saxon central potential and Woods-Saxon potential including spin orbit term are used in this calculation. The root-mean square distances between  and core nucleus La 139  were calculated with normalized wave function. In this calculation,  single particle energy levels of La 139  are 1s1/2, 1p1/2, 1p3/2, 1d3/2, 1d5/2, 1f5/2, 1f7/2, 1g9/2, 2s1/2, 2p1/2, 2p3/2. This calculated results are agree with H.Bando calculated results and slightly different from experimental results.