| Co-Investigator(Kenkyū-buntansha) |
小川 洋 日本大学, 理工学部, 助手 (20374910)
小林 兼好 東京大学, 宇宙線研究所, 特任助教 (70466861)
市村 晃一 東京大学, 宇宙線研究所, 特任助教 (80600064)
梁 炳守 東京大学, 宇宙線研究所, 特任助教 (10626055)
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| Budget Amount *help |
¥284,440,000 (Direct Cost: ¥218,800,000、Indirect Cost: ¥65,640,000)
Fiscal Year 2018: ¥37,960,000 (Direct Cost: ¥29,200,000、Indirect Cost: ¥8,760,000)
Fiscal Year 2017: ¥46,020,000 (Direct Cost: ¥35,400,000、Indirect Cost: ¥10,620,000)
Fiscal Year 2016: ¥70,980,000 (Direct Cost: ¥54,600,000、Indirect Cost: ¥16,380,000)
Fiscal Year 2015: ¥44,720,000 (Direct Cost: ¥34,400,000、Indirect Cost: ¥10,320,000)
Fiscal Year 2014: ¥84,760,000 (Direct Cost: ¥65,200,000、Indirect Cost: ¥19,560,000)
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| Outline of Final Research Achievements |
In order to address to one of the biggest mysteries in the universe, the dark matter, this research project has challenged two tasks: dark matter search with a large-scale experimental apparatus, and development and research of a next-generation dark matter search apparatus.
As for the first subject, in this study, we searched for the seasonal modulation signal by dark matter, which the previous research (DAMA / LIBRA) claims, and denied the result. In addition, we searched for dark matter candidates called Bosonic-Super WIMPs, and for the first time published the conclusion that "the vector type cannot be the main component of dark matter". For the second issue, we developed and improved ultra-low background technology.
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