Surface diffuseness parameter with quasi-elastic scattering for some heavy-ion systems

Q4 Energy

International Journal of Nuclear Energy Science and Technology Pub Date : 2019-07-08 DOI:10.1504/IJNEST.2019.10022533

Q. J. Tarbool, K. S. Jassim, A. Abojassim

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引用次数: 4

Abstract

Itemised studies of the surface property of the inter-nucleus potential in heavy-ion reactions have been achieved using large-angle quasi-elastic scattering at sub-barrier energies close to the Coulomb barrier height for 63Li + 6430Zn and 73Li + 6430Zn systems. In this paper, the nuclear potential has been expressed using Wood Saxon (WS) formula. The effect of rotational deformation was included for the nucleus 6430Zn with ground state rotational band up to the 4+ states. The Single-Channel (SC) and Coupled-Channels (CC) calculations have been carried out to elicit the diffuseness parameter of the nuclear potential as well as the potential depth, these calculations have been performed by using (CQEL) program which is considered the latest version of computer code (CCFULL). The chi square method, χ², played an important role in determining the best-fitted value of the diffuseness parameter. Through CC calculations with inert projectile and rotational target for 63Li + 6430Zn and 73Li + 6430Zn systems, full compatibility of diffuseness parameter has been achieved with the standard value 0.63 fm with χ² = 0.130 and χ² = 0.163 respectively, while the SC calculations give 0.64 fm and 0.65 fm, respectively.

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某些重离子体系具有准弹性散射的表面扩散参数

采用接近库仑势垒高度的大角准弹性散射方法，对63Li + 6430Zn和73Li + 6430Zn体系的重离子反应核间势的表面性质进行了详细研究。本文用Wood - Saxon (WS)公式表示了核势。对于基态旋转带高达4+态的6430Zn核，考虑了旋转变形的影响。用最新的CCFULL程序(CQEL)进行了单通道(SC)和耦合通道(CC)计算，得到了核势的扩散参数和势深。卡方方法(χ²)在确定扩散参数的最佳拟合值方面起着重要作用。通过对63Li + 6430Zn和73Li + 6430Zn两种体系的惰性弹和旋转靶的CC计算，得到了扩散参数与标准值0.63 fm的完全相容，分别为χ²= 0.130和χ²= 0.163,SC计算分别为0.64 fm和0.65 fm。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Nuclear Energy Science and Technology Energy-Nuclear Energy and Engineering

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Today, nuclear reactors generate nearly one quarter of the electricity in nations representing two thirds of humanity, and other nuclear applications are integral to many aspects of the world economy. Nuclear fission remains an important option for meeting energy requirements and maintaining a balanced worldwide energy policy; with major countries expanding nuclear energy"s role and new countries poised to introduce it, the key issue is not whether the use of nuclear technology will grow worldwide, even if public opinion concerning safety, the economics of nuclear power, and waste disposal issues adversely affect the general acceptance of nuclear power, but whether it will grow fast enough to make a decisive contribution to the global imperative of sustainable development.