一种新的模块化（α，n）反应长中子计数器
A novel modular neutron long counter for (α,n) reactions
摘要：
在这项工作中，我们提出了一种新的模块化和便携式（α，n）反应中子探测器的设计。该探测器是基于使用几个3He填充的正比计数器嵌入在高密度聚乙烯。为了提供具有独立于中子能量的响应的探测器，平坦响应，已经应用了创新的设计方法。该方法是基于优化的计数器的贡献，通过使用热中子吸收剂的总效率。这允许获得高达10 MeV的平坦响应。提出了一个概念验证原型探测器的表征。讨论了这种新探测器用于（α，n）反应测量的前景。
英文摘要：
In this work, we present the design of a new modular and transportable neutron detector for (α,n) reactions. The detector is based on the use of several 3He-filled proportional counters embedded in high density polyethylene. In order to provide the detector with a response independent of the neutron energy, a flat response, an innovative design methodology has been applied. The method is based on the optimization of the counters contribution to the total efficiency by using thermal neutron absorbers. This allows to obtain flat responses up to 10 MeV. The characterization of a proof-of-concept prototype detector is presented. The perspectives for using this new detector for (α,n) reactions measurements are discussed.
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