"Measurement” of parameters in discrete program using Monte Carlo simulation

Xiao Bo; Huang Jiaofeng; Zhang Xuan; Jing Yuefeng

doi:10.3788/HPLPB20132501.0138

Volume 25 Issue 01

Dec. 2012

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(01): 138-142

Wang Xiaoyu, Wang Jiang’an, Z ong Siguang, et al. Spectrum characteristics of laser-induced acoustic signals[J]. High Power Laser and Particle Beams, 2013, 25: 1639-1642. doi: 10.3788/HPLPB20132507.1639

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Xiao Bo, Huang Jiaofeng, Zhang Xuan, et al. "Measurement” of parameters in discrete program using Monte Carlo simulation[J]. High Power Laser and Particle Beams, 2013, 25: 138-142. doi: 10.3788/HPLPB20132501.0138

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"Measurement” of parameters in discrete program using Monte Carlo simulation

doi: 10.3788/HPLPB20132501.0138

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-105,Mianyang 621900,China

Received Date: 2012-07-02
Rev Recd Date: 2012-07-25
Publish Date: 2013-01-15

Abstract

Abstract

A new method is proposed to simulate the scattered photons in high energy X-ray radiography fast and precisely. The problem of X-ray radiography is turned into an effective pure photon transport problem, and an iterative solution to the photon transport equation is designed. Then, the solution is turned into a discrete version and realized in a computer program. After, the Monte Carlo N-particle transport code MCNP is used to measure the effective photon scattering function and other parameters needed in the discrete method. Finally, the new computer program is compared with MCNP in a radiography example as a check of the method. It is consistent with MCNP for the radiography of thin objects, but shows large deviation for thick ones. The current computer program can be used in qualitative analysis.
- X-ray radiography,
- discretization,
- Monte Carlo,
- iterative solution

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