Speaker
Zhongqi WANG
(China Institute of Atomic Energy)
Description
In this paper, the correction of the linear attenuation coefficient was discussed.
The coefficient used for self-absorption correcting of the emission data was reconstructed based on the transmission measurement data.Unlike the basic assumption of reconstruction, the data was measured from cone-like beam instead of the liner beam. The deviation of the coefficient reconstructed has contributed to the deviation of the final result of SGS.The correction technique was developed to reduce the deviation of coefficient by using the Monte Carlo simulation. An iterative process was used to narrow the difference between the coefficient reconstructed and real value by minimizing the difference of the penetration between measurement and simulation.
The technique was used to improve the accuracy of final result of SGS and supported by experimental data.
| Country or International Organization | China |
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Primary author
Zhongqi WANG
(China Institute of Atomic Energy)
Co-authors
Bo Zong
(State Nuclear Security Technology Center ,China)
Lei Bai
(China Institute of Atomic Energy)
Qiang Miao
(China Institute of Atomic Energy)
xiaolin Liu
(China Institute of Atomic Energy)
