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Determination of the relationship between dose deposition and Cerenkov photons in homogeneous and heterogeneous phantoms during radiotherapy using Monte Carlo method

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Abstract

To explore the response relationship between Cerenkov photons and dose deposition, which is the theoretical premise of dose measurement based on Cerenkov effect, Geant4 was used to simulate the process of homogeneous and heterogeneous phantoms irradiated with monoenergetic or clinical beam energy spectrum. Results showed certain response relationship between Cerenkov photons and dose deposition regardless of the phantom used under different irradiation conditions. However, deviation observed in the axial distribution of dose deposition as characterized by Cerenkov photons was larger under electron beam than under photon beam.

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Acknowledgments

This work was funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions, and this work was supported by the National Natural Science Foundation of China (Grant No. 11475087) and the Fundamental Research Funds for the Central Universities (Grant No. 3082014NS2014060).

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Authors and Affiliations

  1. Department of Nuclear Science and Engineering, Nanjing University of Aeronautics and Astronautics, 29 Yudao St., Nanjing, 210016, China

    Diyun Shu, Xiaobin Tang, Changran Geng, Chunhui Gong & Da Chen

  2. Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, 29 Yudao St., Nanjing, 210016, China

    Diyun Shu, Xiaobin Tang, Changran Geng, Chunhui Gong & Da Chen

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  1. Diyun Shu
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  2. Xiaobin Tang
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  3. Changran Geng
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  4. Chunhui Gong
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  5. Da Chen
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Correspondence to Xiaobin Tang.

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Shu, D., Tang, X., Geng, C. et al. Determination of the relationship between dose deposition and Cerenkov photons in homogeneous and heterogeneous phantoms during radiotherapy using Monte Carlo method. J Radioanal Nucl Chem 308, 187–193 (2016). https://doi.org/10.1007/s10967-015-4316-x

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  • DOI: https://doi.org/10.1007/s10967-015-4316-x

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