Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA

Jianbo YANG; Yigang YANG; Yuanjing LI; Xianguo TUO; Zhe LI; Mingzhe LIU; Yi CHENG; Keliang MU; Lei WANG

doi:10.13538/j.1001-8042/nst.23.337-343

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Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA

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- Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA
- Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA
- 核技术（英文版） 2012年23卷第6期
- 作者机构：
  
  1.Department of Engineering Physics, Tsinghua University, Beijing 100084, China
  2.Chengdu University of Technology, Chengdu 610059, China
  3.State Key Laboratory of Geohazard prevention & Geoenvironment Protection, Chengdu 610059, China
  4.Nuclear Power Institute of China, Chengdu 610005, China
- 作者简介：
  
  Corresponding author. E-mail address: yjb@cdut.edu.cn
  
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- 基金信息：
  
  National Natural Science Foundation for Distinguished Young Scholar;NSFC;Province Key Technology R&D Program;National High Technology Research and Development Program of China;Basic Research for Application of Sichuan Province;China Postdoctoral Science Foundation
- DOI：10.13538/j.1001-8042/nst.23.337-343 中图分类号：
- 纸质出版日期：2012-12-20，
  
  收稿日期：2011-11-10，
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引用本文
Jianbo YANG, Yigang YANG, Yuanjing LI, 等. Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA[J]. 核技术（英文版）, 2012, 23(6):337-343.

Jianbo YANG, Yigang YANG, Yuanjing LI, et al. Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA[J]. Nuclear Science and Techniques, 2012, 23(6):337-343.
Jianbo YANG, Yigang YANG, Yuanjing LI, 等. Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA[J]. 核技术（英文版）, 2012, 23(6):337-343. DOI： 10.13538/j.1001-8042/nst.23.337-343.

Jianbo YANG, Yigang YANG, Yuanjing LI, et al. Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA[J]. Nuclear Science and Techniques, 2012, 23(6):337-343. DOI： 10.13538/j.1001-8042/nst.23.337-343.

Monte-Carlo simulation of cement neutron field distribution characteristics in PGNAA 1 2 corresp first-author Corresponding author. E-mail address: yjb@cdut.edu.cn Corresponding author. E-mail address: yjb@cdut.edu.cn yjb@cdut.edu.cn 1 1 2 3 2 2 3 2 4 2 Department of Engineering Physics, Tsinghua University, Beijing 100084, China Department of Engineering Physics, Tsinghua University, Beijing 100084, China Chengdu University of Technology, Chengdu 610059, China Chengdu University of Technology, Chengdu 610059, China State Key Laboratory of Geohazard prevention & Geoenvironment Protection, Chengdu 610059, China State Key Laboratory of Geohazard prevention & Geoenvironment Protection, Chengdu 610059, China Nuclear Power Institute of China, Chengdu 610005, China Nuclear Power Institute of China, Chengdu 610005, China The distribution characteristics of the neutron field in cement was simulated using the MCNP code to comply with the requirements of an online Prompt Gamma Neutron Activation Analysis system. Simulation results showed that the neutron relative flux proportion reduced with increasing cement thickness. When the cement thickness remains unchanged, the reduced proportion of thermal neutrons increases to a small extent, but the epithermal, intermediate, and fast neutrons will decrease according to the geometric progression. H element in the cement mainly affects the reduction of fast neutrons and other single-substance elements, e.g., O, Ca, 56 Fe, Si, and Al. It also slows down the reduction of the fast neutrons via inelastic scattering. O contributes more than other elements in the reduction of fast neutrons. Changing the H content affects the thermal, epithermal, intermediate, and fast neutrons, while changing the Ca, Fe, and Si contents only influences the thermal, epithermal, and intermediate neutrons; hence, there is little effect on the reduction of fast neutrons. Monte Carlo simulation MCNP Prompt gamma neutron activation analysis Neutron field distribution Neutron flux rate References Khang P D , Haia N X , Tana V H , et al . Nucl Instrum Meth Phys Res A , 2011 , 634 : 47 - 51 . Nucl Instrum Meth Phys Res A Naqvi A A , Garwan M A , Maslehuddin M , et al . Appl Radiat Isoto , 2010 , 68 : 635 - 638 . Appl Radiat Isoto Favalli A , Mehner H C , Ciriello V , et al . Appl Radiat Isoto , 2010 , 68 : 901 - 904 . Appl Radiat Isoto Oliveira C , Salgado J , Carvallio F G . J Radioan Nucl Chem , 1997 , 216 : 191 - 198 . J Radioan Nucl Chem Naqvi A A . Nucl Instrum Meth Phys Res A , 2003 , 511 : 400 - 407 . Nucl Instrum Meth Phys Res A Naqvi A A , Nagadi M M , Al-Amoudi O S B . Nucl Instrum Meth Phys Res A , 2005 , 554 : 540 - 545 . Nucl Instrum Meth Phys Res A Zhang F , Zhang G L . At Energy Sci Tech , 2006 , 40 : 480 - 485 . At Energy Sci Tech Yang J B , Tuo X G , Mu K L , et al . At Energy Sci Tech , 2008 , 42 : 329 - 332 . At Energy Sci Tech Yang J B , Tuo X G , LI Z , et al . Nucl Sci Tech , 2010 , 21 : 221 - 226 . Nucl Sci Tech Tuo X G , Cheng B , Mu K L , et al . Nucl Sci Tech , 2008 , 19 : 278 - 281 . Nucl Sci Tech Bai Y F , Wang D Z , MAUERHOFER Eric , et al . Nucl Sci Tech , 2010 , 21 : 11 - 15 . Nucl Sci Tech Dong X Q , Luo W Y , Yue K , et al . Nucl Sci Tech , 2010 , 21 : 16 - 19 . Nucl Sci Tech Xia M T , Liu Y Q , Sun X S , et al . Nucl Sci Tech , 2011 , 22 : 144 - 150 . Nucl Sci Tech Liu Y , Xie T W , Liu Q , et al . Nucl Sci Tech , 2011 , 22 : 165 - 173 . Nucl Sci Tech Sun H C , Ni B F , Zhang G Y , et al . Nucl Sci Tech , 2011 , 22 : 287 - 292 . Nucl Sci Tech Feng P , Liu S Y , Wei B , et al . Nucl Sci Tech , 2011 , 22 : 39 - 46 . Nucl Sci Tech Yang Y G . Research of on-line multi-element analysis by NIPGA technology (PhD Thesis) , Beijing : Tsinghua University , 2001 . Research of on-line multi-element analysis by NIPGA technology (PhD Thesis) Briesmeister J F . MCNPTM-A general monte carlo N-particle transport Code (4C) , Los Alamos, New Mexico : Los Alamos National Laboratory , 2000 . MCNPTM-A general monte carlo N-particle transport Code (4C) 10.13538/j.1001-8042/nst.23.337-343 Supported by National Natural Science Foundation for Distinguished Young Scholar (41025015) , NSFC (40974065, 11105132) , Province Key Technology R&D Program (2011FZ0055) , National High Technology Research and Development Program of China (2012AA063501) , the Basic Research for Application of Sichuan Province (2012JY0109) ; China Postdoctoral Science Foundation (2012M520245) 2011-11-10 2012-12-20 2021-01-19 2012 Nuclear Science and Techniques 06 23

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