Study of the Galactic MeV cosmic rays with X-ray precision spectroscopy
| Project/Area Number |
15H02090
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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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 | Kyoto University |
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Principal Investigator |
Tsuru Takeshi 京都大学, 理学研究科, 教授 (10243007)
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| Co-Investigator(Kenkyū-buntansha) |
信川 正順 奈良教育大学, 理科教育講座, 准教授 (00612582)
武田 彩希 宮崎大学, 工学部, 助教 (40736667)
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| Project Period (FY) |
2015-04-01 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥38,220,000 (Direct Cost: ¥29,400,000、Indirect Cost: ¥8,820,000)
Fiscal Year 2018: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
Fiscal Year 2017: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2016: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2015: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
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| Keywords | X線天文学 / MeV宇宙線 / すざく衛星 / ひとみ衛星 / X線観測 / Xrism衛星 / X線CCD / 宇宙線 / CCD / すざく衛星 / Ｘ線観測 / Ｘ線天文学 / ASTRO-H |
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| Outline of Final Research Achievements |
The Fermi satellite and air Cherenkov telescopes have provided information on the GeV and TeV cosmic-ray protons. On the other hand, there are still no observational data on MeV cosmic-ray protons, except for those in the vicinity of the Earth. We made pioneer studies of MeV galactic cosmic-ray protons by using the precise X-ray spectroscopy. The results obtained from this study are as follows. Detection of Fe-neutral 6.4 keV emission lines generated by MeV cosmic-rays at the molecular clouds in the Galactic center region and the ones at the vicinities of several supernova remnants. Modeling of emission line structures derived from multiple ionizations of neutral atoms by cosmic-ray heavy ions. Calibration of the X-ray CCD camera onboard the Hitomi satellite. Development of X-ray CCD for the XRISM satellite. Production of prototype of a new type of X-ray sensors for the Next Generation Broadband X-ray Satellite.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究でMeV 銀河宇宙線をX線バンドから観測可能であることを示したことに大きな意義がある．「ひとみ」衛星の損失で本研究期間内での実現はできなかったものの，X線精密撮像分光が MeV 銀河宇宙線の研究分野を大きく切り拓くことを確信することができた．これはMeV 銀河宇宙線の研究の始まりに過ぎない.ここで得られるデータや知見を元に，日本も参加表明している大型のATHENA衛星や独自の広帯域X線衛星など，将来のX線ミッションにおけるサイエンスの大きな柱に成長するであろう．
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Report
(5 results)
Research Products
(60 results)
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[Journal Article] Measurement of Charge Cloud Size in X-Ray SOI Pixel Sensors2019
Author(s)
Hagino Kouichi、Oono Kenji、Negishi Kousuke、Yarita Keigo、Kohmura Takayoshi、Tsuru Takeshi G.、Tanaka Takaaki、Uchida Hiroyuki、Harada Sodai、Okuno Tomoyuki、Kayama Kazuho、Amano Yuki、et al.
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Journal Title
IEEE Transactions on Nuclear Science
Volume: 66
Issue: 7
Pages: 1897-1905
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Performance of the Silicon-On-Insulator Pixel Sensor for X-ray Astronomy, XRPIX6E, Equipped with Pinned Depleted Diode Structure2018
Author(s)
S. Harada, T. G. Tsuru, T. Tanaka, H. Uchida, H. Matsumura, K. Tachibana, H. Hayashi, A. Takeda, K. Mori, Y. Nishioka & 16 coauthors
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Journal Title
Nuclear Inst. and Methods in Physics Research, A
Volume: 924
Pages: 468-472
DOI
Related Report
Peer Reviewed
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[Journal Article] Evaluation of Kyoto’s event-driven X-ray astronomical SOI pixel sensor with a large imaging area2018
Author(s)
H. Hayashi, T. G. Tsuru, T. Tanaka, H. Uchida, H. Matsumura, K. Tachibana, S. Harada, A. Takeda, K. Mori, Y. Nishioka & 16 coauthors
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Journal Title
Nuclear Inst. and Methods in Physics Research, A
Volume: 924
Pages: 400-403
DOI
Related Report
Peer Reviewed
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[Journal Article] The FORCE mission: science aim and instrument parameter for broadband x-ray imaging spectroscopy with good angular resolution2018
Author(s)
Nakazawa, K., Mori, K., Tsuru, T. G., Ueda, Y., Awaki, H., Fukazawa, Y., Ishida, M., Matsumoto, H., Murakami, H., Okajima, T., Takahashi, T., Tsunemi, H., Zhang, W. W.
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Journal Title
Proceedings of the SPIE
Volume: 10699
Pages: 84-84
DOI
Related Report
Int'l Joint Research
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[Journal Article] Soft x-ray imager (SXI) onboard ASTRO-H2016
Author(s)
Tsunemi, Hiroshi; Hayashida, Kiyoshi; Tsuru, Takeshi Go; Dotani, Tadayasu; Nakajima, Hiroshi; Anabuki, Naohisa; Nagino, Ryo; Tanaka, Takaaki; Uchida, Hiroyuki; Ozaki, Masanobu; Natsukari, Chikara; Tomida, Hiroshi; Ueda, Shutaro; Iwai, Masachika; Nobukawa, Masayoshi; Hiraga, Junko S. et al.
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Journal Title
Proceedings of the SPIE
Volume: Volume 9905
Pages: 11-11
DOI
Related Report
Int'l Joint Research
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