通过放射性束诱导聚变反应到达 "稳定岛 "预测中心的可能性

IF 3.6 1区 物理与天体物理 Q1 NUCLEAR SCIENCE & TECHNOLOGY
Ming-Hao Zhang, Ying Zou, Mei-Chen Wang, Gen Zhang, Qing-Lin Niu, Feng-Shou Zhang
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引用次数: 0

摘要

在双核系统模型的基础上,通过富中子放射性束诱导聚变反应,研究了预测的双魔核({^{298}\hbox {Fl}})和({^{304}\hbox {120}})的合成。据预测,反应({^{58}\hbox {Ca}+{^{244}\hbox {Pu}})有利于产生\({^{298}\hbox {Fl}}),其最大ER横截面为\({0.301}\,\hbox {pb}\)。对入口通道效应的研究表明,由于库仑障碍的影响,({^{244}\hbox {Pu}})靶比富中子靶({^{248}\hbox {Cm}})和({^{249}\hbox {Bk}})更有希望合成({^{298}\hbox {Fl}})。对于\({^{304}\hbox {120}}\)的合成,在反应\({^{58}\hbox {V}+{^{249}\hbox {Bk}}\)中出现了最大的ER横截面\({0.046}\,\hbox {fb}\),这表明实验设施和反应机制都需要进一步发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Possibility of reaching the predicted center of the “island of stability” via the radioactive beam-induced fusion reactions

Possibility of reaching the predicted center of the “island of stability” via the radioactive beam-induced fusion reactions

Based on the dinuclear system model, the synthesis of the predicted double-magic nuclei \({^{298}\hbox {Fl}}\) and \({^{304}\hbox {120}}\) was investigated via neutron-rich radioactive beam-induced fusion reactions. The reaction \({^{58}\hbox {Ca}}+{^{244}\hbox {Pu}}\) is predicted to be favorable for producing \({^{298}\hbox {Fl}}\) with a maximal ER cross section of \({0.301}\,\hbox {pb}\). Investigations of the entrance channel effect reveal that the \({^{244}\hbox {Pu}}\) target is more promising for synthesizing \({^{298}\hbox {Fl}}\) than the neutron-rich targets \({^{248}\hbox {Cm}}\) and \({^{249}\hbox {Bk}}\), because of the influence of the Coulomb barrier. For the synthesis of \({^{304}\hbox {120}}\), the maximal ER cross section of \({0.046}\,\hbox {fb}\) emerges in the reaction \({^{58}\hbox {V}}+{^{249}\hbox {Bk}}\), indicating the need for further advancements in both experimental facilities and reaction mechanisms.

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来源期刊
Nuclear Science and Techniques
Nuclear Science and Techniques 物理-核科学技术
CiteScore
5.10
自引率
39.30%
发文量
141
审稿时长
5 months
期刊介绍: Nuclear Science and Techniques (NST) reports scientific findings, technical advances and important results in the fields of nuclear science and techniques. The aim of this periodical is to stimulate cross-fertilization of knowledge among scientists and engineers working in the fields of nuclear research. Scope covers the following subjects: • Synchrotron radiation applications, beamline technology; • Accelerator, ray technology and applications; • Nuclear chemistry, radiochemistry, radiopharmaceuticals, nuclear medicine; • Nuclear electronics and instrumentation; • Nuclear physics and interdisciplinary research; • Nuclear energy science and engineering.
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