An improved theoretical method for determining the mean D-T neutron energies in large solid angle sample
An improved theoretical method for determining the mean D-T neutron energies in large solid angle sample
复制标题
确定大立体角样品中平均D-T中子能的改进理论方法
DOI：
10.1080/00223131.2022.2093799
复制
发表时间：
2022
影响因子：
1.2
通讯作者：
X. Ruan
中科院分区：
文献类型：
--
作者：
C. Lan;Xian;Gong Jiang;Yu;Xiaojun Li;Jiahao Wang;Yujie Ge;Liyang Jiang;Y. Nie;X. Ruan
摘要重氚发生器的中子能量对核能和核技术的应用起着重要作用。基于氚钛靶中的氚能量损失和D-T反应的微分截面，提出了一个改进的计算大立体角样品的平均中子能量的理论公式。此外，还讨论了实际实验条件下的平均中子能量。将计算结果与文献报道的90Zr(n，2 n)89m+gZr与93Nb(n，2 n)92mNb反应截面的比值(‘Zr/Nb’法)进行了比较，并发表了理论计算结果。与已发表的理论方法相比，本工作的相对偏差小于0.5%，并获得了更高的精度。为D-T中子源在核反应截面测量、中子探测器刻度、中子辐照试验等核技术中的应用奠定了基础。
ABSTRACT Neutron energy of deuterium-tritium (D-T) generator plays an important role for the application of nuclear energy and nuclear technology. Based on the deuterium energy losing in tritiated titanium (T-Ti) target and differential cross sections of D-T reaction, an improved theoretical formula for calculating the mean neutron energy irradiating a large solid angle sample was proposed. Besides that, the mean neutron energy was discussed under the actual experimental conditions. The results were compared to the reported ratio values of 90Zr(n,2 n)89m+gZr to 93Nb(n,2 n)92mNb reaction cross sections (‘Zr/Nb’ ratio methods) and published theoretical calculated results, respectively. The relative deviations between present work and the ‘Zr/Nb’ ratio methods are below 0.5% and a higher precision was obtained compared with previous published theoretical method. The present work lays a foundation for the application of D-T neutron source in nuclear technology such as nuclear reaction cross section measurement, calibration of neutron detector, and neutron irradiation tests, etc. Graphical Abstract
DOI：
10.1186/s40880-018-0299-7
发表时间：
2018-06-19
期刊：
Cancer communications (London, England)
影响因子：
--
作者：
Barth RF;Mi P;Yang W
通讯作者：
Yang W