Chinese Physics C > 2003, Vol. 27 > Issue(4): 319-323

Low Energy Electron Transportation Process in Water Media

Department of Physics, Shanxi Normal University, Linfen 041004, China2 China Institute of Atomic Energy, Beijing 102413, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China

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Abstract：
The track structure of low energy electrons (with minimum energy of 1eV) in water as a media has keen simulated with Monte Carlo method, taking into account inelastic processes such as ionization, excitation, attachment and auto ionization caused by super excitation, and the yield and distribution of some free radicals. The local energy deposit entities: spur, blob and short-track are obtained in any individual track yielded by our program, and radial dose distribution and range as statistical characteristics of 10,000 tracks are also presented. The role of low energy electrons in track structures is analyzed by contrasting with the characteristics of track structures with 1 and 30eV as cutoff energy.

References

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MA Yun-Zhi, CAO Tian-Guang and ZHUO Yi-Zhong. Low Energy Electron Transportation Process in Water Media[J]. Chinese Physics C, 2003, 27(4): 319-323.

MA Yun-Zhi, CAO Tian-Guang and ZHUO Yi-Zhong. Low Energy Electron Transportation Process in Water Media[J]. Chinese Physics C, 2003, 27(4): 319-323. shu

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Received: 2002-03-19
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

Low Energy Electron Transportation Process in Water Media

Corresponding author:MA Yun-Zhi,

Department of Physics, Shanxi Normal University, Linfen 041004, China2 China Institute of Atomic Energy, Beijing 102413, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China

Received Date:2002-03-19
Accepted Date:1900-01-01
Available Online:2003-04-05

Abstract:The track structure of low energy electrons (with minimum energy of 1eV) in water as a media has keen simulated with Monte Carlo method, taking into account inelastic processes such as ionization, excitation, attachment and auto ionization caused by super excitation, and the yield and distribution of some free radicals. The local energy deposit entities: spur, blob and short-track are obtained in any individual track yielded by our program, and radial dose distribution and range as statistical characteristics of 10,000 tracks are also presented. The role of low energy electrons in track structures is analyzed by contrasting with the characteristics of track structures with 1 and 30eV as cutoff energy.