Specific absorbed fractions of electrons and photons forRad-HUMAN phantom using Monte Carlo method

  • The specific absorbed fractions (SAF) for self- and cross-irradiation are effective tools for the internal dose estimation of inhalation and ingestion intakes of radionuclides. A set of SAFs of photons and electrons were calculated using the Rad-HUMAN phantom, which is a computational voxel phantom of a Chinese adult female that was created using the color photographic image of the Chinese Visible Human (CVH) data set by the FDS Team. The model can represent most Chinese adult female anatomical characteristics and can be taken as an individual phantom to investigate the difference of internal dose with Caucasians. In this study, the emission of mono-energetic photons and electrons of 10 keV to 4 MeV energy were calculated using the Monte Carlo particle transport calculation code MCNP. Results were compared with the values from ICRP reference and ORNL models. The results showed that SAF from the Rad-HUMAN have similar trends but are larger than those from the other two models. The differences were due to the racial and anatomical differences in organ mass and inter-organ distance. The SAFs based on the Rad-HUMAN phantom provide an accurate and reliable data for internal radiation dose calculations for Chinese females.
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WANG Wen, CHENG Meng-Yun, LONG Peng-Cheng and HU Li-Qin. Specific absorbed fractions of electrons and photons forRad-HUMAN phantom using Monte Carlo method[J]. Chinese Physics C, 2015, 39(7): 078203. doi: 10.1088/1674-1137/39/7/078203
WANG Wen, CHENG Meng-Yun, LONG Peng-Cheng and HU Li-Qin. Specific absorbed fractions of electrons and photons forRad-HUMAN phantom using Monte Carlo method[J]. Chinese Physics C, 2015, 39(7): 078203.  doi: 10.1088/1674-1137/39/7/078203 shu
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Received: 2014-11-02
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Specific absorbed fractions of electrons and photons forRad-HUMAN phantom using Monte Carlo method

    Corresponding author: HU Li-Qin,

Abstract: The specific absorbed fractions (SAF) for self- and cross-irradiation are effective tools for the internal dose estimation of inhalation and ingestion intakes of radionuclides. A set of SAFs of photons and electrons were calculated using the Rad-HUMAN phantom, which is a computational voxel phantom of a Chinese adult female that was created using the color photographic image of the Chinese Visible Human (CVH) data set by the FDS Team. The model can represent most Chinese adult female anatomical characteristics and can be taken as an individual phantom to investigate the difference of internal dose with Caucasians. In this study, the emission of mono-energetic photons and electrons of 10 keV to 4 MeV energy were calculated using the Monte Carlo particle transport calculation code MCNP. Results were compared with the values from ICRP reference and ORNL models. The results showed that SAF from the Rad-HUMAN have similar trends but are larger than those from the other two models. The differences were due to the racial and anatomical differences in organ mass and inter-organ distance. The SAFs based on the Rad-HUMAN phantom provide an accurate and reliable data for internal radiation dose calculations for Chinese females.

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