| Project/Area Number |
24340142
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Plasma science
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| Research Institution | Hiroshima University |
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Principal Investigator |
HIGAKI Hiroyuki 広島大学, 先端物質科学研究科, 准教授 (10334046)
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| Co-Investigator(Renkei-kenkyūsha) |
OSHIMA Nagayasu 独立行政法人産業技術総合研究所, 計測フロンテイア研究部門, 研究員 (00391889)
YAMAZAKI Yasunori 独立行政法人理化学研究所, 基幹研究所, 上席研究員 (30114903)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
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| Keywords | 電子陽電子プラズマ / 磁気ミラー閉じ込め / 非線形波動 / 低エネルギー陽電子 |
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| Outline of Final Research Achievements |
For the experimental studies of low energy electron-positron plasmas, properties of a new compact magnetic mirror trap were investigated experimentally. It was suggested that the simultaneous confinement of 10 to 7th electrons and positrons would work for the purpose. Meanwhile, a low energy positron accumulator was also constructed and the parameters for the optimum operation were studied. As a result, positron confinement in the compact magnetic mirror trap was demonstrated. The simultaneous confinement of electrons and positrons are foreseen in the near future. New results were obtained in the related topics on non-neutral plasmas, which included the autoresonances and the evolutions of phase space distributions during vortex merging processes.
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