Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography

doi:10.1088/1674-1056/19/6/062901

中国物理B ›› 2010, Vol. 19 ›› Issue (6): 62901-062901.doi: 10.1088/1674-1056/19/6/062901

Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography

许海波, 彭现科, 陈朝斌

Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

收稿日期:2009-08-17 出版日期:2010-06-15 发布日期:2010-06-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No.~10576006) and the Foundation of China Academy of Engineering Physics (Grant Nos.~2007A01001 and 2009B0202020).

Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography

Xu Hai-Bo(许海波)^†, Peng Xian-Ke(彭现科), and Chen Chao-Bin(陈朝斌)

Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

Received:2009-08-17 Online:2010-06-15 Published:2010-06-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No.~10576006) and the Foundation of China Academy of Engineering Physics (Grant Nos.~2007A01001 and 2009B0202020).

摘要/Abstract

摘要： This paper reports on the results of calculations using a Monte Carlo code (MCNP5) to study the properties of photons, electrons and photoneutrons obtained in the converted target and their transportations in x-ray radiography. A comparison between measurements and calculations for bremsstrahlung and photoneutrons is presented. The radiographic rule and the effect of the collimator on the image are studied with the experimental model. The results provide exact parameters for the optimal design of radiographic layout and shielding systems.

Abstract: This paper reports on the results of calculations using a Monte Carlo code (MCNP5) to study the properties of photons, electrons and photoneutrons obtained in the converted target and their transportations in x-ray radiography. A comparison between measurements and calculations for bremsstrahlung and photoneutrons is presented. The radiographic rule and the effect of the collimator on the image are studied with the experimental model. The results provide exact parameters for the optimal design of radiographic layout and shielding systems.

Key words: x-ray radiography, bremsstrahlung, photoneutron, energy spectrum, angular distribution

中图分类号: (X- and γ-ray sources, mirrors, gratings, and detectors)

07.85.Fv

41.75.Fr (Electron and positron beams) 29.20.-c (Accelerators) 29.27.Eg (Beam handling; beam transport)

许海波, 彭现科, 陈朝斌. Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography[J]. 中国物理B, 2010, 19(6): 62901-062901.

Xu Hai-Bo(许海波), Peng Xian-Ke(彭现科), and Chen Chao-Bin(陈朝斌). Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography[J]. Chin. Phys. B, 2010, 19(6): 62901-062901.

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Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography

Monte Carlo simulation for bremsstrahlung and photoneutron yields in high-energy x-ray radiography

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