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核天体物理实验研究

Experimental studies of nuclear astrophysics

  • 摘要: 研究微观世界的核物理与研究宏观世界的天体物理自然融合形成了前沿交叉学科——核天体物理。核天体物理的主要研究目标是应用核物理的知识和规律来阐释宇宙演化进程中化学元素合成及演化过程、时间标度、天体环境和天体场所,来说明恒星中核燃烧产生的能量及其对恒星结构和演化的影响,来认识致密天体的结构和性质。文章阐述了核天体物理研究的意义和现状,介绍了有关基本概念和天体网络模型所需的核物理输入量以及广泛应用的一些实验方法,同时扼要地分析了利用国内大科学装置开展核天体物理研究的可行性。最后对未来我国深地科学与工程实验室的建设前景做了展望。

     

    Abstract: Nuclear astrophysics is an interdisciplinary subject combining micro-scale nuclear physics and macro-scale astrophysics. Its main aims are to understand the origin and evolution of the elements in the universe, the time scale of stellar evolution, the stellar environment and sites, the energy generation of stars from thermonuclear processes and its impact on stellar evolution and the mechanisms driving astrophysical phenomena, and the structure and property of compact stars. This paper presents the significance and current research status of nuclear astrophysics; we introduce some fundamental concepts, the nuclear physics input parameters required by certain astrophysics models, and some widely-used experimental approaches in nuclear astrophysics research. The potential and feasibility of research in this field using China’s current and planned large-scale scientific facilities are analyzed briefly. Finally, the prospects of the establishing a deep underground science and engineering laboratory in China are envisaged.

     

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