Next generation detectors for study from balloon and space of terrestrial and cosmic UV signals
| Project/Area Number |
17H02905
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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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 |
casolino marco 国立研究開発法人理化学研究所, 開拓研究本部, 研究員 (10598163)
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| Co-Investigator(Kenkyū-buntansha) |
滝澤 慶之 国立研究開発法人理化学研究所, 戎崎計算宇宙物理研究室, 専任研究員 (70312246)
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| Project Period (FY) |
2017-04-01 – 2020-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2019: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2018: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2017: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
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| Keywords | cosmic rays / strange quark matter / Space station / UV emission / ELVES / Cosmic rays / Strange quark matter / UV observations / Space Station / 国際宇宙ステーション / 超高エネルギー宇宙 / Earth Observation / 超高エネルギー宇宙線 / Earth observation |
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| Outline of Final Research Achievements |
The origin of ultra high energy cosmic rays is still in mystery. We conducted a balloon-borne experiment, EUSO-SPB1, in 2017 and a space mission, Mini-EUSO, onboard the international space station since 2019 to pave for future missions to observe such high energy cosmic rays on orbit. In the both projects, light-weight Fresnel lens optics and high-speed cameras with high sensitivity were used so that cosmic ray tracks can be detected in ultraviolet. UV background map of the Earth is being acquired at various places. Many transient phenomena such as Elves (transient light at high atmosphere), lightning and meteors have been observed in UV band.
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| Academic Significance and Societal Importance of the Research Achievements |
Mini-EUSO is currently the only detector in space devoted to the search of UHECR with E>1e20eV and nuclearites. This represents a huge step forward in the development of future large area detectors in space. SPB1 flight was successful, a new flight EUSO-SPB2 is being prepared for flight in 2022
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Report
(4 results)
Research Products
(13 results)
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[Journal Article] Performance results of the trigger logic implemented in EUSO-SPB2019
Author(s)
Battisti M.、Bayer J.、Bertaina M.、Cummings A.、Eser J.、Fenu F.、Jung A.、Mignone M.、Miyamoto H.、Shinozaki K., The JEM-EUSO collaboration
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Journal Title
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume: 936
Pages: 349-350
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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