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

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Guo-Zhu He, Bin Shi, Ming He, Zhen-Yu Li, Shi-Long Liu, Xiong-Jun Chen, Xi-Chao Ruan, Qi-Wei Zhang, Qi-Wen Fan, Heng Li, Shao-Yong Wu, Shan Jiang and Zu-Ying Zhou. Cross-section measurement for the 93Nb(n, 2n)92gNb reaction at the neutron energy of 14.6 MeV by the AMS method[J]. Chinese Physics C, 2018, 42(7): 074002. doi: 10.1088/1674-1137/42/7/074002
Guo-Zhu He, Bin Shi, Ming He, Zhen-Yu Li, Shi-Long Liu, Xiong-Jun Chen, Xi-Chao Ruan, Qi-Wei Zhang, Qi-Wen Fan, Heng Li, Shao-Yong Wu, Shan Jiang and Zu-Ying Zhou. Cross-section measurement for the 93Nb(n, 2n)92gNb reaction at the neutron energy of 14.6 MeV by the AMS method[J]. Chinese Physics C, 2018, 42(7): 074002.  doi: 10.1088/1674-1137/42/7/074002 shu
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Received: 2018-01-04
Revised: 2018-03-14
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    Supported by National Natural Science Foundation of China (10975195)

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

  • 1.  Key Laboratory of Nuclear Data, China Institute of Atomic Energy, Beijing 102413, China
  • 2.  Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
  • 3.  College of Physics Science and Technology, Guizhou Normal University, Guiyang 530004, China
  • 4.  Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China
Fund Project:  Supported by National Natural Science Foundation of China (10975195)

Abstract: The cross-section for the 93Nb(n, 2n)92gNb 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 92gNb. 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 92mNb produced in the competing reaction channel of 93Nb(n, 2n)92mNb. At the neutron energy of 14.6 MeV, the 93Nb(n, 2n)92gNb reaction cross-section of (736±220) mb was obtained for the first time.

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