Possibility of spin polarization of laser-accelerated protons
| Project/Area Number |
25420911
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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 |
Nuclear engineering
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| Research Institution | Osaka University |
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Principal Investigator |
YOGO Akifumi 大阪大学, レーザーエネルギー学研究センタ, 准教授 (50421441)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
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| Keywords | レーザープラズマ相互作用 / 高強度レーザー / 高エネルギー密度科学 / レーザーイオン加速 |
|---|
| Outline of Final Research Achievements |
When a high-intensity laser is focused on the thin film, a strong electric field reaching a few million volts per micron is generated by the interaction of the laser electromagnetic field and the thin-film plasma. This electric field accelerates protons up to a few million electron volts. At the same time, a killotesla-class strong magnetic field is expected to be induced by the flow of electrons. We aimed to demonstrate nuclear spins of accelerated protons are polarized by the magnetic field.
In experiments with the world's highest intensity laser (LFEX), protons were successfully accelerated up to 50 million electron volts, which was analyzed by the ion-energy spectrometer developed in this study. However, nuclear spin polarization has not been demonstrate. We continue the investigation.
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Report
(4 results)
Research Products
(16 results)
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[Journal Article] Ion Acceleration via Nonlinear Vacuum Heating by the Laser Pulse Obliquely Incident on a Thin Foil Target2016
Author(s)
A. Yogo, S. V. Bulanov, M. Mori, K. Ogura, T. Zh. Esirkepov, A. S.Pirozhkov, M. Kanasaki, H. Sakaki, Y. Fukuda, P. R. Bolton, H. Nishimura, K. Kondo
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Journal Title
Plasma Physics and Controlled Fusion
Volume: 58
Issue: 2
Pages: 025003-025003
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Insertable pulse cleaning module with a saturable absorber pair and a compensating amplifier for high-intensity ultrashort-pulse lasers2014
Author(s)
A. Yogo, K. Kondo, M. Mori, H. Kiriyama, K. Ogura, T. Shimomura, N. Inoue, Y. Fukuda, H. Sakaki, S. Jinno, M. Kanasaki, and P. R. Bolton,
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Journal Title
Optics Express
Volume: 22
Issue: 2
Pages: 2060-2069
DOI
Related Report
Peer Reviewed
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