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中国的新核素合成

Synthesis of new nuclides in China

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【作者】 甘再国黄文学徐瑚珊赵红卫

【Author】 GAN Zai-Guo;HUANG Wen-Xue;XU Hu-Shan;ZHAO Hong-Wei;Heavy Ion Science and Technology Key Laboratory,Institute of Modern Physics,Chinese Academy of Sciences;School of Nuclear Science and Technology,University of Chinese Academy of Sciences;Advanced Energy Science and Technology Guangdong Laboratory;

【通讯作者】 黄文学;

【机构】 中国科学院近代物理研究所重离子科学与技术重点实验室中国科学院大学核科学与技术学院先进能源科学与技术广东省实验室

【摘要】 合成新核素和新元素、认知核素图和元素周期表、探索原子核存在极限是核物理的前沿研究领域。新核素的合成研究,不仅可以揭示原子核物理学中原子核结构、原子核衰变以及核子间基本相互作用的奥秘,而且有助于探索核天体物理学中核合成过程和能量来源的机制,此外,对核素性质的认识还可以扩展其在人类生活中的应用。与国际上其他发达国家相比,国内的新核素研究起步较晚,开始于20世纪90年代。在国家的大力支持和科研人员的不懈努力下,迄今为止,我国已成功合成了41个新核素,在全世界的排名已提升到第11位。随着研究的深入,合成新核素的难度越来越大,在新核素的产生、分离和鉴别三方面都存在极大的挑战。文章回顾了中国新核素研究的现状及具体研究方法,综述了新核素和新元素研究的挑战及应对措施,简述了中国新元素合成的实验计划。

【Abstract】 Synthesizing new nuclides/isotopes and new elements, expanding the chart of nuclides and the periodic table of elements, and exploring the limit of the existence of nuclides are frontier research fields in nuclear physics. The synthesis of new nuclides can not only reveal the mystery of nuclear structure, nuclear decay and fundamental interactions between nucleons,but also help to explore the mechanism of nucleosynthesis processes and energy sources in nuclear astrophysics. Moreover, understanding the properties of isotopes can also expand their practical applications. Compared with other developed countries around the world, research on new nuclides only started in the 1990s in China, but with the strong support of the government and continuous endeavors of researchers, 41 new isotopes have been successfully synthesized so far, raising China’s ranking to the 11th place in the world. As research advances, it is becoming more and more challenging to produce, separate and identify new isotopes. This paper reviews the current status and specific methods employed in this area of research in China, summarizes the challenges and the efforts to solve the problems in the synthesis of new isotopes, and briefly describes the experimental plans for synthesizing new elements in China.

【基金】 国家重点研发计划(批准号:2023YFA1606500);中国科学院战略性先导科技专项(批准号:XDB34010000);中国科学院稳定支持基础研究领域青年团队专项(批准号:YSBR-002)资助项目;广东省基础与应用基础研究重大项目(批准号:2021B0301030006);甘肃省科技重大专项计划(批准号:23ZDGA014)
  • 【分类号】O571
  • 【下载频次】7
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