Determining absolute value of thermal neutron flux density based on monocrystalline silicon in nuclear reactors

V.A. Varlachev; E.G. Emets; Yu-Chen Mu; E.A. Bondarenko; V.A. Govorukhin

doi:10.1007/s41365-022-01077-z

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Determining absolute value of thermal neutron flux density based on monocrystalline silicon in nuclear reactors

NUCLEAR ENERGY SCIENCE AND ENGINEERING | Updated：2022-08-27

- Determining absolute value of thermal neutron flux density based on monocrystalline silicon in nuclear reactors
- Nuclear Science and Techniques Vol. 33, Issue 7, Article number: 83(2022)
- Affiliations：
  
  1.National Research Tomsk Polytechnic University, Tomsk, 634050, Russia
- Author bio：
  
  *yuychen1@tpu.ru
- Funds：
- DOI：10.1007/s41365-022-01077-z
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V.A. Varlachev, E.G. Emets, Yu-Chen Mu, et al. Determining absolute value of thermal neutron flux density based on monocrystalline silicon in nuclear reactors. [J]. Nuclear Science and Techniques 33(7):83(2022)
DOI：

V.A. Varlachev, E.G. Emets, Yu-Chen Mu, et al. Determining absolute value of thermal neutron flux density based on monocrystalline silicon in nuclear reactors. [J]. Nuclear Science and Techniques 33(7):83(2022) DOI： 10.1007/s41365-022-01077-z.

摘要

Abstract

A new type of neutron detector based on monocrystalline Si is developed to measure the fluence and flux density of thermal and fast neutrons. The principle of this detector is based on the relationship between changes in electrical conductivity and neutron fluence during irradiation. Therefore, the absolute values of thermal neutron fluence and flux density are measured in a facile manner with high reliability. Compared with activation methods, our method not only possesses a similar accuracy, but also demonstrates superior application potential for the investigation of neutron fields in nuclear reactors owing to its suitable half-life.

关键词

Keywords

Thermal neutronNeutron detectorNeutron flux densityCadmium difference methods

references

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University of Chinese Academy of Sciences

Institute of High Energy physics, Chinese Academy of Sciences

Spallation Neutron Source Science Center

CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences

School of Nuclear Science and Technology, University of Chinese Academy of Sciences

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