Study on Microdosimetric Characteristics of 120 to 430 MeV/u Carbon Ion

PANG Chengguo; SU Youwu; XU Junkui; LI Wuyuan; YAN Weiwei; YAO Zeen

doi:10.11804/NuclPhysRev.32.04.479

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Article Navigation > Nuclear Physics Review > 2015 > 32(4): 479-483

PANG Chengguo, SU Youwu, XU Junkui, LI Wuyuan, YAN Weiwei, YAO Zeen. Study on Microdosimetric Characteristics of 120 to 430 MeV/u Carbon Ion[J]. Nuclear Physics Review, 2015, 32(4): 479-483. doi: 10.11804/NuclPhysRev.32.04.479

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PANG Chengguo, SU Youwu, XU Junkui, LI Wuyuan, YAN Weiwei, YAO Zeen. Study on Microdosimetric Characteristics of 120 to 430 MeV/u Carbon Ion[J]. Nuclear Physics Review, 2015, 32(4): 479-483. doi: 10.11804/NuclPhysRev.32.04.479

Study on Microdosimetric Characteristics of 120 to 430 MeV/u Carbon Ion

doi: 10.11804/NuclPhysRev.32.04.479

1.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
2.
School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

Received Date: 2015-02-11
Accepted Date: 2015-12-20
Publish Date: 2015-12-20

Abstract

Microdosimetric single event spectrum is a significant parameter in radiotherapy, which can be used to evaluate the radiation biological effect. In this paper, microscopic patterns of energy deposition are simulated with Monte Carlo code FLUKA at mixed radiation fields during carbon ions therapy. The results are compared with experimental measured results at 300 MeV/u carbon ion and good agreement has been found. Meanwhile, dose-weighted lineal energy spectra, frequency averaged lineal energy values and dose averaged lineal energy values of carbon ion with energy from 120 to 430 MeV/u were calculated,
too. The frequency averaged lineal energy values are from 185 to 28.3 keV/m while the dose averaged lineal energy values are from 272 to 64.1 keV/m. These studies are useful for treatment plan in carbon ion radiotherapy.
- microdosimetry,
- carbon ion,
- Monte Carlo,
- FLUKA,
- radiotherapy
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Study on Microdosimetric Characteristics of 120 to 430 MeV/u Carbon Ion

doi: 10.11804/NuclPhysRev.32.04.479

1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

2. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

Received Date: 2015-02-11
Accepted Date: 2015-12-20
Publish Date: 2015-12-20

Key words:

Abstract: Microdosimetric single event spectrum is a significant parameter in radiotherapy, which can be used to evaluate the radiation biological effect. In this paper, microscopic patterns of energy deposition are simulated with Monte Carlo code FLUKA at mixed radiation fields during carbon ions therapy. The results are compared with experimental measured results at 300 MeV/u carbon ion and good agreement has been found. Meanwhile, dose-weighted lineal energy spectra, frequency averaged lineal energy values and dose averaged lineal energy values of carbon ion with energy from 120 to 430 MeV/u were calculated,
too. The frequency averaged lineal energy values are from 185 to 28.3 keV/m while the dose averaged lineal energy values are from 272 to 64.1 keV/m. These studies are useful for treatment plan in carbon ion radiotherapy.

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