High-energy universe by means of sub-PeV cosmic gamma rays
| Project/Area Number |
15H02084
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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 | The University of Tokyo |
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Principal Investigator |
TAKITA MASATO 東京大学, 宇宙線研究所, 教授 (20202161)
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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 |
¥42,250,000 (Direct Cost: ¥32,500,000、Indirect Cost: ¥9,750,000)
Fiscal Year 2017: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2016: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2015: ¥23,920,000 (Direct Cost: ¥18,400,000、Indirect Cost: ¥5,520,000)
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| Keywords | 空気シャワー / ミューオン / 宇宙線 / ガンマ線 / チベット / 水チェレンコフ / sub-PeV / 宇宙 / 太陽の影 / IMF磁場 / NKG関数 / 恒星時異方性 / 高エネルギー |
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| Outline of Final Research Achievements |
The Tibet air shower array and underground water-Cherenkov muon detectors are located 4,300m in altitude, in Tibet, China. By means of the hybrid experiment, we aim at search for celestial sub-PeV gamma-ray sources with the highest sensitivity in thw world. In additoin, we will also study our universe by gamma rays and cosmic rays with energies between TeV and sub-PeV.
With the 100 m2 muon detectors, we set the most stringent upper limit on the gamma-ray flux from the Crab nebula above 0.14 PeV. Furthermore, the 4200 m2 large muon detectors started operation, accumulating data. In addition, some new knowledge on the cosmic-ray anisotropy and the interplanetary magnetic field strength is obtained, based on cosmic-ray data in the energy region from a few TeV and 1 PeV.
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Report
(4 results)
Research Products
(56 results)
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[Journal Article] Northern sky Galactic Cosmic Ray anisotropy between 10 and 1000 TeV with the Tibet Air Shower Array2017
Author(s)
M. Amenomori, D. Chen, S. W. Cui, Danzengluobu, J. Huang, H. Y. Jia, K. Kawata, M. Ohnishi, T. K. Sako, M. Takita, X. Y. Zhang et al.
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Journal Title
The Astrophysical Journal
Volume: 836
Issue: 2
Pages: 153-153
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] CALET Upper Limits on X-Ray and Gamma-Ray Counterparts of GW1512262016
Author(s)
O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, M. G. Bagliesi, G. Bigongiari, W. R. Binns, S. Bonechi, M. Bongi, P. Brogi, J. H. Buckley, N. Cannady, G. Castellini, C. Checchia, M. L. Cherry, G. Collazuol, V. Di Felice, K. Ebisawa, T. Sakamoto, H. Tomida, et al.
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Journal Title
The Astrophysical Journal
Volume: 829
Issue: 1
Pages: 20-24
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Presentation] ALPACE experiment2017
Author(s)
T. Sako for the ALPACA Collaboration
Organizer
The VII School on Cosmic Rays and Astrophysics, Escuela Politécnica Nacional, Quito, Ecuador, August 21-September 1, 2017
Related Report
Int'l Joint Research / Invited
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