MeV Neutron Production from Thermal Neutron Capture in 6Li Simulated With Geant4

被引：6

作者：

Santoro, Valentina ^{[1
]}

Dijulio, Douglas D. ^{[1
,2
]}

Bentley, Phillip M. ^{[1
,3
]}

机构：

[1] European Spallat Source ERIC, SE-22100 Lund, Sweden

[2] Lund Univ, Dept Phys, SE-22100 Lund, Sweden

[3] Uppsala Univ, Dept Phys & Astron, S-75105 Uppsala, Sweden

来源：

VI EUROPEAN CONFERENCE ON NEUTRON SCATTERING (ECNS2015) | 2016年 / 746卷

关键词：

D O I：

10.1088/1742-6596/746/1/012012

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Various Li compounds are commonly used at neutron facilities as neutron absorbers. These compounds provide one of the highest ratios of neutron attenuation to gamma-ray production. Unfortunately, the usage of these compounds can also give rise to fast neutron emission with energies up to almost 16 MeV. Historically, some details in this fast neutron production mechanism can be absent from some modeling packages under some optimization scenarios. In this work, we tested Geant4 to assess the performance of this simulation toolkit for the fast neutron generation mechanism. We compare the results of simulations performed with Geant4 to available measurements. The outcome of our study shows that results of the Geant4 simulations are in good agreement with the available measurements for Li-6 fast neutron production, and suitable for neutron instrument background evaluation at spallation neutron sources.

引用

页数：6

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