Affiliation:
1. School of Physics and Materials Science, Thapar Institute of Engineering and Technology, Patiala, India
Abstract
The effect of diffuseness of nucleus–nucleus interaction potential is tested on the nuclear potential depth, barrier characteristics and fusion excitation functions by considering spherical+spherical and [Formula: see text] colliding partners. It is manifested from the calculations that fusion barrier height and fusion pocket depth get significantly modified with change in diffuseness parameter [Formula: see text] and deeper fusion pocket appears with an increase in the magnitude of diffuseness. We further observed that, depending on the value of [Formula: see text], the fusion pocket depth decreases more sharply for the reactions involving oblate target [Formula: see text] as compared to prolate [Formula: see text] systems, though the overall shift in the pocket (left or right) is almost equal i.e., [Formula: see text]0.5[Formula: see text]fm for both cases. Furthermore, the effect of diffuseness on fusion cross-section is such that, on taking both spherical and/or deformed target-projectile combinations, lower strength of nuclear surface diffuseness (0.60[Formula: see text]fm) seems more suitable upto charge product [Formula: see text] [Formula: see text]200. However, for [Formula: see text], higher value of diffuseness parameter (0.99[Formula: see text]fm) is desirable for systems with spherical as well as deformed target-projectile combinations. Finally, we have explored the effect of angle dependence on the nuclear surface diffuseness within [Formula: see text]C+[Formula: see text]Tb reaction. The study reveals the significant contribution of angular diffuseness in fusion cross-section of reactions involving lanthanide target.
Funder
Council of Scientific and Industrial Research, India
Publisher
World Scientific Pub Co Pte Lt
Subject
General Physics and Astronomy,Nuclear and High Energy Physics
Cited by
2 articles.
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