TY - JOUR ID - TI - Evaluation And Comparison Of The Configuration Potential Energy Calculation For Be-Atom In Position Space AU - Mayada J.AL-Sharaa PY - 2017 VL - 16 IS - 32 SP - 202 EP - 210 JO - Misan Journal of Academic Studies مجلة ميسان للدراسات الاكاديمية SN - 1994697X 2706722X AB - In the present work studies the theoretically the potential energy expectation value 〈V〉 for beryllium atom and like ions for different excited states (, () (where Z = 4. 13) and calculate the difference between each state to the same level , was used in this study wave function Hartree – Fook and the results contained in this search match with the published results of Hartree – Fook in 2003 (source 25) . been taking values of (n = 4, 5) to the(state and (n = 2, 3) of the () state . The computer system Mathcad (Ver 2001i) is used in the present calculations after designing the required program.

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