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4-15 Energy Deposition and Excitation of Wake eld in Case of 100 keV/u Ion Beam Passing through a Plasma Target
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作者 Zhao Yongtao Cheng Rui +11 位作者 Zhou Xianming Wang Yuyu Lei Yu Liu Shidong Peng Haibo Deng Jiachuan Xu Ge Ren Jieru R. Gavrilin a. golubev D. Hoffmann Xiao Guoqing 《IMP & HIRFL Annual Report》 2015年第1期210-210,共1页
Recently our team investigated the energy deposition and excitation of wakefield in case of hundreds keV proton/helium ion beams passing a gas-discharged plasma target. The plasma target was produced by igniting an el... Recently our team investigated the energy deposition and excitation of wakefield in case of hundreds keV proton/helium ion beams passing a gas-discharged plasma target. The plasma target was produced by igniting an electric discharge of hydrogen gas in two-collinear quartz tubes, each of 5 mm in diameter and 78 mm in length, the electrical current even up to kA will flow in two opposite directions in either of the two quartz tubes. 展开更多
关键词 Ion BEAM PASSING
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4-17 Investigations on Interaction between Low Energy Heavy Ion Beams and Hydrogen Plasma
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作者 Cheng Rui Zhou Xianming +9 位作者 Wang Yuyu Lei Yu Sun Yuanbo Ren Jieru Ma Xinwen Xiao Guoqing Zhao Yongtao I. Roudskoy a. golubev D.H.H.Hoffmann 《IMP & HIRFL Annual Report》 2015年第1期212-212,共1页
The interaction between ion beam and matter is one of the most important topics in atomic physics and nuclear physics. It is indeed a requirement for a deeper understanding of the interaction processes. Especially the... The interaction between ion beam and matter is one of the most important topics in atomic physics and nuclear physics. It is indeed a requirement for a deeper understanding of the interaction processes. Especially the energy deposition by an intense heavy ion beam with the low energy impinging into a degenerate matter, which is related to the topics of warm dense matter, fast ignition process and helium ions self-heating in the fusion process. 展开更多
关键词 LOW ENERGY HEAVY
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低能质子束在氢等离子体中的能损研究 被引量:1
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作者 邓佳川 赵永涛 +14 位作者 程锐 周贤明 彭海波 王瑜玉 雷瑜 刘世东 孙渊博 任洁茹 肖家浩 麻礼东 肖国青 R. Gavrilin S. Savin a. golubev D. H. H. Hoffmann 《物理学报》 SCIE EI CAS CSCD 北大核心 2015年第14期216-221,共6页
实验测量了100 keV的质子束穿过部分电离氢等离子体靶后的能量损失.等离子体靶由气体放电方式产生,其自由电子密度在1016cm-3量级,电子温度约1—2 eV,维持时间在微秒量级.研究结果表明:质子束在等离子体靶中的能量损失与自由电子密度密... 实验测量了100 keV的质子束穿过部分电离氢等离子体靶后的能量损失.等离子体靶由气体放电方式产生,其自由电子密度在1016cm-3量级,电子温度约1—2 eV,维持时间在微秒量级.研究结果表明:质子束在等离子体靶中的能量损失与自由电子密度密切相关且明显大于在同密度条件下中性气体靶中的能量损失;在自由电子密度达到峰值处,通过实验结果计算得到此时的自由电子库仑对数约为10.8,与理论计算结果符合较好,该值比Bethe公式给出的中性气体靶中束缚电子库仑对数高4.3倍,相应的能损增强因子为2.9. 展开更多
关键词 质子束 氢等离子体靶 能量损失 库仑对数
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