Measurement and calculation of high-energy reflected neutrons from aluminum

被引：0

作者：

Lu Xin-Xin ^{[1
]}

Liu Rong ^{[1
]}

Jiang Li ^{[1
]}

Wang Mei ^{[1
]}

Lin Ju-Fang ^{[1
]}

Wen Zhong-Wei ^{[1
]}

Zhu Tong-Hua ^{[1
]}

Wang Da-Lun ^{[1
]}

机构：

[1] CAEP, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China

来源：

HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION | 2007年 / 31卷 / 05期

关键词：

D-T neutron source; activation reaction rate; high-energy reflected neutron; MCNP/4B code;

D O I：

暂无

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：

Using six different high-threshold neutron-activation detectors, the activation reaction rates are obtained with and without the Al reflector. Measured reflectivities of high-energy neutrons from Al reflector are also obtained as the ratio of measured data and range from 1 to 1.14. For different activation detectors, the shape of the reflectivities as function of measurement angles is rather similar. The intensity of the reflected high-energy neutron field is high at large angles and smaller towards smaller angles. With increasing thresholds of the activation detectors, the,reflectivities decrease. Evaluated total uncertainties of reflectivities are 3.4%-4.2%. Calculated results of reflectivities agree with the experimental results at the majority,of the measuring points.

引用

页码：448 / 451

页数：4