Simulation of dose around radioactive source by Monte Carlo method

Zhang Xinyi; Zhu Yangni; Zhao Zhumin; Wang Lipeng; Zhu Lei; Chen Lixin; Jiang Xinbiao

doi:10.3788/HPLPB20132501.0223

Volume 25 Issue 01

Dec. 2012

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(01): 223-226

Zhang Xinyi, Zhu Yangni, Zhao Zhumin, et al. Simulation of dose around radioactive source by Monte Carlo method[J]. High Power Laser and Particle Beams, 2013, 25: 223-226. doi: 10.3788/HPLPB20132501.0223

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Zhang Xinyi, Zhu Yangni, Zhao Zhumin, et al. Simulation of dose around radioactive source by Monte Carlo method[J]. High Power Laser and Particle Beams, 2013, 25: 223-226. doi: 10.3788/HPLPB20132501.0223

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Simulation of dose around radioactive source by Monte Carlo method

doi: 10.3788/HPLPB20132501.0223

1.
Northwest Institute of Nuclear Technology,Xi’an 710024,China

Received Date: 2012-07-01
Rev Recd Date: 2012-07-23
Publish Date: 2013-01-15

Abstract

Abstract

Calculating the dose around radioactive source by simulation is an important way of radiation analysis and application. It is widely used in engineering. The paper uses a simple decay cascade to analyze the Pu-238 source, and obtains the varying trends of atomic number and activity for the source and its daughters. In view of the above-mentioned situation, it sets up an elaborate model by MCNP code, calculating the radioactive field and the problem about shield and getting the gamma and neutron energy spectra around the source. The result agrees with the reference, the shield used can reduce the dose effectively. Concretely, the dose of gamma is reduce to about 0.1%, and the neutron, 13%~17%.
- MCNP,
- radioactive source,
- dose,
- radiation field,
- shield

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