裸金属Pu球壳中心孔道内中子价值测量

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Neutron Importance Measurement in Center Hole Cross Bare ²³⁹Pu Shells

Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, Sichuan, 621900;National Engineering Research Center of Nuclear Technology Application in Industry, Mianyang, Sichuan, 621900, China

摘要: 采用长计数器对裸Pu球壳中孔道内的中子价值进行了测量,得到了中子价值分布,分布形态与计算的结果符合较好。测量结果表明,球壳的中子价值呈M型分布,最大值点约为中心的1.02倍,外边缘处约为中心的65%。
- 球壳 /
- 中心孔道 /
- 中子价值 /
- 长计数器
Abstract: The Neutron importance in the hole cross bare ²³⁹Pu shell was measured using long counter and gained the neutron importance distribution. The distribution configuration is well consistent with calculation results. The data shows that the distribution is M type, the maximum value is 1.02 times of the center, and the value on the surface is about 65% of the center.
- Shell /
- Center hole /
- Neutron importance /
- Long counter