在邦纳球能谱仪中中子能谱展开的EURADOS国际比较练习的结果
Results of the EURADOS international comparison exercise on neutron spectra unfolding in Bonner spheres spectrometry
摘要：
本文总结了从国际比对演习中得到的结果中子谱展开邦纳球光谱，EURADOS工作组6内的活动：计算剂量学。四个现实的情况被认为是：一个医疗加速器，一个工作场所领域，一个辐照室和一个天空照耀的情况。参考解决方案，给出的理想化的能量密度分布和剂量率，以及他们的推导使用验证蒙特卡罗代码的细节。然后提供了参与者提交的各种各样的展开结果，其中一些结果与参考解决方案一致，但其他结果显示出显着的能量依赖性差异。最后，对其中一些差异提出了解释，并提出了如何改进的建议方法。
英文摘要：
This paper summarizes the results obtained from an international comparison exercise on neutron spectra unfolding in Bonner spheres spectrometry, organized within the activities of EURADOS working group 6: computational dosimetry. Four realistic situations were considered: a medical accelerator, a workplace field, an irradiation room and a skyshine scenario. The reference solutions are presented, given in terms of idealized fluence-energy distributions and dose rates, along with details of their derivation using verified Monte Carlo codes. The wide variety of unfolded results that were submitted by the participants are then provided, with some shown to agree well with the reference solutions but others showing significant energy-dependent discrepancies. Finally, explanations for some of these discrepancies are proposed, along with suggested methods for how they might be improved.
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