Cross-section measurement for the 93Nb(n, 2n)92gNb reaction at the neutron energy of 14.6 MeV by the AMS method

被引：3
|
作者：
He, Guo-Zhu [1 ]
Shi, Bin [1 ]
He, Ming [2 ]
Li, Zhen-Yu [3 ]
Liu, Shi-Long [1 ]
Chen, Xiong-Jun [1 ]
Ruan, Xi-Chao [1 ]
Zhang, Qi-Wei [1 ]
Fan, Qi-Wen [2 ]
Li, Heng [4 ]
Wu, Shao-Yong [2 ]
Jiang, Shan [2 ]
Zhou, Zu-Ying [1 ]
机构：
[1] China Inst Atom Energy, Key Lab Nucl Data, Beijing 102413, Peoples R China
[2] China Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
[3] Guizhou Normal Univ, Coll Phys Sci & Technol, Guiyang 530004, Guizhou, Peoples R China
[4] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
CHINESE PHYSICS C | 2018年 / 42卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Nb-93(n; 2n)Nb-92g reaction; cross-section; D plus T neutron source; accelerator mass spectrometry;
D O I：
10.1088/1674-1137/42/7/074002
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：
The cross-section for the Nb-93(n, 2n)Nb-92g reaction has been measured at the neutron energy of 14.6 MeV using neutron activation and accelerator mass spectrometry (AMS) determination of the long-lived product nuclide Nb-92g. The neutron energy was generated from the D+T neutron source at the China Institute of Atomic Energy (CIAE). The neutron flux was monitored by measuring the activity of Nb-92m produced in the competing reaction channel of Nb-93(n, 2n)Nb-92m. At the neutron energy of 14.6 MeV, the Nb-93(n, 2n)Nb-92g reaction cross-section of (736 +/- 220) mb was obtained for the first time.
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页数：4
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