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首页> 外文期刊>The European Physical Journal, A. Hadrons and Nuclei >A new approach for analysis and evaluation of partial photoneutron reaction cross sections
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A new approach for analysis and evaluation of partial photoneutron reaction cross sections

机译:分析和评估部分光中子反应截面的新方法

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摘要

There are well-known systematic disagreements in partial photoneutron reaction cross sections obtained using quasimonoenergetic annihilation photons in experiments based on neutron multiplicity sorting methods. Using newly proposed criteria we demonstrate that a large part of the systematic uncertainty comes from certain shortcomings of experimental methods of neutron multiplicity sorting. To develop methods of correction of data obtained in experiments a new approach to data evaluation was developed in which a combined model of photonuclear reactions is used to decompose experimental total neutron yield reaction cross sections into partial reaction contributions. Evaluated cross sections of partial photoneutron reactions obtained using this method show a good agreement with results of alternative experiments.
机译:在基于中子多重分选方法的实验中,使用准单能an灭光子获得的部分光中子反应横截面存在众所周知的系统分歧。使用新提出的标准,我们证明了系统不确定性的很大一部分来自中子多重性分选实验方法的某些缺点。为了开发校正在实验中获得的数据的方法,开发了一种新的数据评估方法,其中使用光核反应的组合模型将实验的总中子产率反应截面分解为部分反应贡献。使用此方法获得的部分光中子反应的评估横截面与替代实验的结果显示出良好的一致性。

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