入射粒子与靶相互作用中电子能损的高阶修正

朱宝珠; 张丰收; #; 罗飞; 李旸; 石颂剑; 王雄; 赵强; 周宏余

doi:10.11804/NuclPhysRev.25.04.342

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入射粒子与靶相互作用中电子能损的高阶修正

朱宝珠, 张丰收, #, 罗飞, 李旸, 石颂剑, 王雄, 赵强, 周宏余

文章导航 > 原子核物理评论 > 2008 > 25(4): 342-346

朱宝珠, 张丰收, #, 罗飞, 李旸, 石颂剑, 王雄, 赵强, 周宏余. 入射粒子与靶相互作用中电子能损的高阶修正[J]. 原子核物理评论, 2008, 25(4): 342-346. doi: 10.11804/NuclPhysRev.25.04.342

引用本文:

ZHU Bao-zhu, ZHANG Feng-shou, #, LUO Fei, LI Yang, SHI Song-jian, WANG Xiong, ZHAO Qiang, ZHOU Hong-yu. Higherorder Corrections of Electronic Energy Loss in Interaction of Incident Particle with Targets[J]. Nuclear Physics Review, 2008, 25(4): 342-346. doi: 10.11804/NuclPhysRev.25.04.342

Citation:

ZHU Bao-zhu, ZHANG Feng-shou, #, LUO Fei, LI Yang, SHI Song-jian, WANG Xiong, ZHAO Qiang, ZHOU Hong-yu. Higherorder Corrections of Electronic Energy Loss in Interaction of Incident Particle with Targets[J]. Nuclear Physics Review, 2008, 25(4): 342-346. doi: 10.11804/NuclPhysRev.25.04.342

入射粒子与靶相互作用中电子能损的高阶修正

doi: 10.11804/NuclPhysRev.25.04.342

1 北京师范大学射线束技术与材料改性教育部重点实验室, 北京师范大学核科学与技术学院, 北京 100875; 2 北京市辐射中心, 北京 100875;3 新疆大学物理科学与技术学院, 新疆乌鲁木齐 830046;4 兰州重离子加速器国家实验室原子核理论中心, 甘肃兰州 730000

详细信息

通讯作者: 张丰收

Higherorder Corrections of Electronic Energy Loss in Interaction of Incident Particle with Targets

1 Key Laboratory of Beam Technology and Material Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China; 2 Beijing Radiation Center, Beijing 100875, China; 3 School of Physics Science and Technology, Xinjiang University, Urumqi 830046, China;4 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

摘要: 研究了在较高能入射离子（He离子、 ^12_C离子）与靶相互作用中电子能量损失的物理机制，分别探讨了电子能量损失中的相对论修正、壳修正、密度修正以及Barkas效应和Bloch效应等修正的贡献，发现壳修正、 Barkas效应修正和Bloch效应修正在能量小于100 MeV时是重要的，而相对论修正和密度修正是在能量大于100 MeV时起作用。加入各种修正项之后，电子阻止本领的计算结果和实验值（ICRU49）符合更好。 The mechanisms of electronic energy loss in the process of incident particles interaction with Si and Al₂O₃at proper energies are investigated. The contribution to the electronic energy loss from highorder corrections， such as the relativistic correction， the shell correction， the density correction, the Barkaseffect correction and the Bloch effect correction are discussed respectively. It is found that the shell correction， the Barkaseffect correction and the Blocheffect correction are important at low energies， the relativistic correction and the density correction are important at high energies. The calculated results with these higherorder corrections are in good agreement with the experiment data (ICRU49).
- 高阶修正 /
- 壳修正 /
- 密度修正 /
- Barkas效应 /
- Bloch效应
Abstract: The mechanisms of electronic energy loss in the process of incident particles interaction with Si and Al₂O₃at proper energies are investigated. The contribution to the electronic energy loss from highorder corrections， such as the relativistic correction， the shell correction， the density correction, the Barkaseffect correction and the Bloch effect correction are discussed respectively. It is found that the shell correction， the Barkaseffect correction and the Blocheffect correction are important at low energies， the relativistic correction and the density correction are important at high energies. The calculated results with these higherorder corrections are in good agreement with the experiment data (ICRU49).
- higherorder correction /
- shell correction /
- density correction /

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入射粒子与靶相互作用中电子能损的高阶修正

doi: 10.11804/NuclPhysRev.25.04.342

1 北京师范大学射线束技术与材料改性教育部重点实验室, 北京师范大学核科学与技术学院, 北京 100875; 2 北京市辐射中心, 北京 100875;3 新疆大学物理科学与技术学院, 新疆乌鲁木齐 830046;4 兰州重离子加速器国家实验室原子核理论中心, 甘肃兰州 730000

通讯作者: 张丰收

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2008-12-20

关键词:

壳修正 /

摘要: 研究了在较高能入射离子（He离子、 ^12_C离子）与靶相互作用中电子能量损失的物理机制，分别探讨了电子能量损失中的相对论修正、壳修正、密度修正以及Barkas效应和Bloch效应等修正的贡献，发现壳修正、 Barkas效应修正和Bloch效应修正在能量小于100 MeV时是重要的，而相对论修正和密度修正是在能量大于100 MeV时起作用。加入各种修正项之后，电子阻止本领的计算结果和实验值（ICRU49）符合更好。 The mechanisms of electronic energy loss in the process of incident particles interaction with Si and Al₂O₃at proper energies are investigated. The contribution to the electronic energy loss from highorder corrections， such as the relativistic correction， the shell correction， the density correction, the Barkaseffect correction and the Bloch effect correction are discussed respectively. It is found that the shell correction， the Barkaseffect correction and the Blocheffect correction are important at low energies， the relativistic correction and the density correction are important at high energies. The calculated results with these higherorder corrections are in good agreement with the experiment data (ICRU49).

English Abstract

Higherorder Corrections of Electronic Energy Loss in Interaction of Incident Particle with Targets

1 Key Laboratory of Beam Technology and Material Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China; 2 Beijing Radiation Center, Beijing 100875, China; 3 School of Physics Science and Technology, Xinjiang University, Urumqi 830046, China;4 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2008-12-20

Keywords:

Abstract: The mechanisms of electronic energy loss in the process of incident particles interaction with Si and Al₂O₃at proper energies are investigated. The contribution to the electronic energy loss from highorder corrections， such as the relativistic correction， the shell correction， the density correction, the Barkaseffect correction and the Bloch effect correction are discussed respectively. It is found that the shell correction， the Barkaseffect correction and the Blocheffect correction are important at low energies， the relativistic correction and the density correction are important at high energies. The calculated results with these higherorder corrections are in good agreement with the experiment data (ICRU49).

引用本文:

Citation:

ZHU Bao-zhu, ZHANG Feng-shou, #, LUO Fei, LI Yang, SHI Song-jian, WANG Xiong, ZHAO Qiang, ZHOU Hong-yu. Higherorder Corrections of Electronic Energy Loss in Interaction of Incident Particle with Targets[J]. Nuclear Physics Review, 2008, 25(4): 342-346. doi: 10.11804/NuclPhysRev.25.04.342