Calculation of Depth-Dose Distribution of Intermediate Energy Heavy-Ion Beam

LI Qiang; WEI ZengQuan; LI WenJian

Chinese Physics C> 2000, Vol. 24> Issue(5) : 414-417

Calculation of Depth-Dose Distribution of Intermediate Energy Heavy-Ion Beam

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
A complex straggling algorithm is presented to calculate depth dose distribution of intermediate energy heavy-ion beam. Relative dose Bragg curves of carbon and oxygen ion beams with intermediate energies were computed according to the algorithm above. Comparisons between the relative doses predicted and measured were taken up. The Bragg curves predicted by the complex straggling algorithm show a good agreement with the experimental data. So the reasonableness of this algorithm and its reliability for calculating depth doses were verified. Hence the principle and method to deduce the depth dose distribution of therapeutic beam was integrated after this algorithm was developed.

References

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Sihver L, Tsao C H, Silberberg R et al. Adv. Space Res.,1995, 17(2):105-108[2] Affix F H. Topics in Radiation Dosimetry, Radiation Dosimetry Supplarsent 1. New York and London, Academic press. 1972 , 404-409[3] Kox S, Gratnp A. Perrin C et al. Phys. Rev.,1987, C35;1678-1691[4] LI Qiang, WEI ZengQuan, LI Wen,lian et al. High Energy Phys. and Nucl. Phys. ( in Chinese),1998,22(7):646-650 (李强.卫增泉.李文建等.高能物理与核物理.1998.22(7)".64b-650)

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LI Qiang, WEI ZengQuan and LI WenJian. Calculation of Depth-Dose Distribution of Intermediate Energy Heavy-Ion Beam[J]. Chinese Physics C, 2000, 24(5): 414-417.

LI Qiang, WEI ZengQuan and LI WenJian. Calculation of Depth-Dose Distribution of Intermediate Energy Heavy-Ion Beam[J]. Chinese Physics C, 2000, 24(5): 414-417. shu

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Received: 1999-04-06
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Calculation of Depth-Dose Distribution of Intermediate Energy Heavy-Ion Beam

Corresponding author: LI Qiang,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 1999-04-06
Accepted Date: 1900-01-01
Available Online: 2000-04-05

Abstract: A complex straggling algorithm is presented to calculate depth dose distribution of intermediate energy heavy-ion beam. Relative dose Bragg curves of carbon and oxygen ion beams with intermediate energies were computed according to the algorithm above. Comparisons between the relative doses predicted and measured were taken up. The Bragg curves predicted by the complex straggling algorithm show a good agreement with the experimental data. So the reasonableness of this algorithm and its reliability for calculating depth doses were verified. Hence the principle and method to deduce the depth dose distribution of therapeutic beam was integrated after this algorithm was developed.