| Project/Area Number |
15K05116
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Institute of Physical and Chemical Research |
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Principal Investigator |
KAJI DAIYA 国立研究開発法人理化学研究所, 仁科加速器研究センター, 仁科センター研究員 (00391912)
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| Research Collaborator |
MORIMOTO Kouji 国立研究開発法人理化学研究所, 仁科加速器研究センター, チームリーダー (00332247)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Keywords | 超重元素 / 標的 / 薄膜 / アクチノイド |
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| Outline of Final Research Achievements |
We developed gas-cooled rotating actinide-target system for gas-filled recoil ion separator GARIS-II. We developed a new sputtering system, which was installed magnetron source with 1-inch size, for preparing thick 238U metallic target. And also, we tried to optimize the conditions for preparing actinide-target using electro-deposition method. The 238U target was utilized for studying on production and decay properties of Cn (Z=112) isotopes via the reaction 48Ca+238U→286Cn* using a new gas-filled recoil ion separator GARIS-II.
A double-layered target system and an identification method (target ID) for individual targets mounted on a rotating wheel using correlation with evaporation residues were newly developed for the study of superheavy elements (SHE). The target ID method can be utilized for masking a target, measuring an excitation function without changing the beam energy from the accelerator, and searching for SHE nuclides using multiple targets during a single irradiation.
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