Improving of phenomenological formula for nuclear energy decay (Q_α-value) of heavy and super heavy nuclei
by Firas Mohamed Ali; Hala Akram Hadi
International Journal of Nuclear Energy Science and Technology (IJNEST), Vol. 13, No. 2, 2019

Abstract: The phenomenological formula of Q_α-value (α-decay energies) for heavy and super heavy nuclei was presented using modification of a Liquid Drop Model (LDM) which is composed of effects of volume energy, Coulomb energy, symmetry energy and binding energy of α-particle. It can be employed to validate the experimental observation and calculation to a large extent of heaviest nuclei with high accuracy for root mean square deviation (0.54) and standard deviation (0.38) are which useful for future experiments. In comparison of computed Q_α-value with experimental data an excellent agreement has been obtained. These results indicate the acceptability of the approach. Furthermore the theoretical quantity (S) has been proposed in order to predict the Q_α-value of α-particles. This is done by partial differentiation of both sides of Q_α-value with respect to the mass number (A), this quantity describes the Q_α-value dependence of (A), and these results show agreement between S and Q_α-values behaviours. The separation energy difference (Sp-Sn) increases with increasing mass number (A), on the whole.

Online publication date: Wed, 17-Jul-2019

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