| Co-Investigator(Kenkyū-buntansha) |
永井 遼 千葉大学, 大学院理学研究院, 特任研究員 (00801672)
伊藤 好孝 名古屋大学, 宇宙地球環境研究所, 教授 (50272521)
清水 信宏 千葉大学, 大学院理学研究院, 助教 (60869395)
佐藤 和史 東京大学, 宇宙線研究所, 特任助教 (10769673)
間瀬 圭一 千葉大学, 大学院理学研究院, 助教 (80400810)
吉田 滋 千葉大学, 大学院理学研究院, 教授 (00272518)
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| Budget Amount *help |
¥176,150,000 (Direct Cost: ¥135,500,000、Indirect Cost: ¥40,650,000)
Fiscal Year 2022: ¥23,270,000 (Direct Cost: ¥17,900,000、Indirect Cost: ¥5,370,000)
Fiscal Year 2021: ¥25,220,000 (Direct Cost: ¥19,400,000、Indirect Cost: ¥5,820,000)
Fiscal Year 2020: ¥45,370,000 (Direct Cost: ¥34,900,000、Indirect Cost: ¥10,470,000)
Fiscal Year 2019: ¥44,980,000 (Direct Cost: ¥34,600,000、Indirect Cost: ¥10,380,000)
Fiscal Year 2018: ¥37,310,000 (Direct Cost: ¥28,700,000、Indirect Cost: ¥8,610,000)
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| Outline of Final Research Achievements |
We have improved the physics analysis and reduced systematic errors to enhance the sensitivity of the search for signals beyond the Standard Model using the South Pole Neutrino Telescope IceCube and the Super-Kamiokande experiment. By incorporating the latest accelerator data and cosmic ray experiment data, we advanced and refined the atmospheric neutrino flux calculations, expanded the atmospheric neutrino calculation code, and established a unified model across different energy regions, successfully reducing systematic errors. To reduce systematic errors caused by light propagation in glaciers, we manufactured and calibrated 100 units of the new D-Egg photodetectors used in the next-generation South Pole Neutrino Telescope IceCube-Gen2 Phase-1 project (IceCube-Upgrade).
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