The behaviors of barrier characteristics and fusion cross sections are analyzed by changing neutron over wide range of colliding systems. For this purpose, we have extended our previous study (Eur. Phys. J. A 48, 21 (2012), it is devoted to the colliding systems with neutron-rich nuclei) to 125 isotopic systems with condition of 0.5 ≤ N/Z ≤ 1.6 for their compound nuclei. The AW 95, Bass 80, Denisov DP and Prox. 2010 potentials are used to calculate the nuclear part of interacting potential. The obtained results show that the trend of barrier heights V B and positions R B as well as nuclear V N and Coulomb V C potentials (at R = R B ) as a function of (N/Z − 1) quantity are non-linear (second-order) whereas the fusion cross sections follow a linear-dependence. 25.60.Pj, 25.70.Jj
The barrier characteristics, barrier height and position, are systematically studied using Prox. 2010 potential for wide range of fusion systems with mass numbers from 6 to 238. We present a pocket formula which reproduces the exact values of the barrier height and its position within the accuracy of ±1%.
In this paper, the proximity formalism which has been recently generalized to calculate the nuclear potential in the fusion reaction of deformed nuclei, employed to study the 35 Cl +92 Zr system. We also employ different versions of surface energy coefficients and discuss the effect of surface energy coefficients in the proximity potential. Comparison between results of double-folding (DF) and proximity model (PM) are made.
The behaviors of barrier characteristics are analyzed for spherical-oblate systems over different configurations of colliding nuclei. For this purpose, we have extended our previous study [Phys. Rev. C 89 (2014) 054607], it is devoted to optimum “cold” and “hot” configuration] to analyze the same reaction systems in various configurations. The investigation on some chosen systems reveals that the barrier height and its position can be parameterized in times of the different orientations.
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