| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
The electroweak symmetry in the Standard Model is broken by the vacuum expectation value of the Higgs field at the electroweak scale. Since this value is highly sensitive to quantum corrections, it has widely been believed that huge amount of fine-tuning among parameters in the theory is required to keep it around the electroweak scale. In this study, I constructed a supersymmetric Standard Model that solves this electroweak-scale fine-tuning problem based on the so-called relaxion mechanism. In addition, I showed the testability of such models with the search of long-lived particles in the future LHC experiments. I also discussed ultraviolet completion of these models in the framework of supersymmetric Grand Unified Theories, and showed that future proton-decay experiments are able to distinguish these Grand Unified Models.
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