The Application of the Method of Coincidence Counting to Experiments in Nuclear Physics
The Application of the Method of Coincidence Counting to Experiments in Nuclear Physics
复制标题
符合计数方法在核物理实验中的应用
DOI：
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发表时间：
1940
期刊：
影响因子：
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通讯作者：
J. Dunworth
中科院分区：
文献类型：
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作者：
J. Dunworth
本文叙述了符合计数在核物理问题中应用的原理，详细介绍了解决核能级方案的各种方法和遇到的一些困难。结果表明，可以使用的最大源强度与符合分辨时间成反比，并且实验方法比大多数其他方法具有很大的优势，因为它可以用于非常弱的源（放射性约为10−5毫居里的源）。一个准确的知识的绝对净效率的盖革计数器的所有类型的辐射的符合率的解释是必需的，并在同一时间获得有关核水平计划的信息实现这一点的方法进行了解释。进一步指出，该方法可以简单、快速地测定β放射性核的衰变总能量，从而测定β放射性核的质量。
The paper describes the principles involved in the application of coincidence counting to problems in nuclear physics, and gives details of the various methods of approach to the solution of nuclear level schemes, with some of the difficulties encountered. It is shown that the maximum source strength which can be used is inversely proportional to the coincidence resolving time and that the method of experiment has the great advantage over most other methods in that it can be used with very weak sources (sources having an activity of about 10−5 millicurie). An accurate knowledge of the absolute net efficiency of a Geiger counter for all types of radiation is required in the interpretation of the coincidence rates, and the method of achieving this at the same time as information is obtained about nuclear level schemes is explained. Further, it is pointed out that the method makes possible a simple and rapid determination of the total energy of disintegration of β‐radioactive nuclei and therefore of the mass...