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Depth-dose profiles in continuous and discontinuous materials of food products and medical devices irradiated by 10 MeV electron beam

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Abstract

Depth-dose profiles of electron radiation in continuous and discontinuous materials of water, plastic and food-like dummy irradiated by 10 MeV electron beam have been evaluated based on Monte Carlo simulations and measurements. In the discontinuous mediums, material layers were separated by air gaps. The discrepancy of the absorbed doses in the continuous and discontinuous materials is within 12%. No significant effect of the discontinuity on the main characteristics such as practical range and double-sided optimal thickness was found. The results indicated that the double-sided optimal thicknesses of the materials can be increased to greater than the reference values of 8.5–8.8 g/cm\(^2\) to improve the efficiency of the irradiation process.

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Acknowledgements

This work was supported by International Atomic Energy Agency under Coordinated Research Project D61024 (Contract Number 18984).

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Authors and Affiliations

  1. Research and Development Center for Radiation Technology, VINATOM, Thu Duc, Ho Chi Minh City, 700000, Viet Nam

    Van-Chung Cao, Anh-Tuan Vo & Quang-Thanh Le

  2. Department of Nuclear Physics, Faculty of Physics and Engineering Physics, University of Science, Ho Chi Minh City, Viet Nam

    Van-Chung Cao

  3. Vietnam National University, Ho Chi Minh City, Viet Nam

    Van-Chung Cao

  4. Institute for Nuclear Science and Technology, VINATOM, 179 Hoang Quoc Viet, Ha Noi, 100000, Viet Nam

    Ngoc-Thiem Le

  5. Department of Engineering, Colorado State University-Pueblo, Pueblo, CO, USA

    Trung H. Duong

  6. Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, 700000, Viet Nam

    Hoai-Nam Tran

  7. Faculty of Natural Sciences, Duy Tan University, Da Nang, 550000, Viet Nam

    Hoai-Nam Tran

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  1. Van-Chung Cao
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  2. Anh-Tuan Vo
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  3. Quang-Thanh Le
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  4. Ngoc-Thiem Le
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Correspondence to Van-Chung Cao or Hoai-Nam Tran.

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Cao, VC., Vo, AT., Le, QT. et al. Depth-dose profiles in continuous and discontinuous materials of food products and medical devices irradiated by 10 MeV electron beam. J Radioanal Nucl Chem 330, 609–617 (2021). https://doi.org/10.1007/s10967-021-07985-5

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  • DOI: https://doi.org/10.1007/s10967-021-07985-5

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