Phenomenological study of new physics at the TeV scale with flavor physics
| Project/Area Number |
17K05429
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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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 | High Energy Accelerator Research Organization |
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Principal Investigator |
Mishima Satoshi 大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 協力研究員 (90396424)
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| Project Period (FY) |
2017-04-01 – 2022-03-31
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| Project Status |
Completed (Fiscal Year 2021)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 素粒子論 / 新物理模型 / フレーバー物理 |
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| Outline of Final Research Achievements |
It is believed that there exists new physics beyond the Standard Model of particle physics. Flavor physics, which describes transitions between different quarks or leptons, is very sensitive to such new physics. Since it is essential to analyze various observables in flavor physics simultaneously, we developed a flexible open-source tool HEPfit to perform a global analysis of the flavor observables in the Standard Model or any of its extensions. Recent experimental data for several flavor-physics observables show tensions with the corresponding Standard-Model predictions. Using HEPfit, we studied several new-physics models in the light of the observed tensions, and made various predictions for flavor and other observables.
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| Academic Significance and Societal Importance of the Research Achievements |
現在世界各地でフレーバー物理の実験が進められており、また近い将来の稼働を目指して様々なフレーバー実験の準備が進められている。本研究の成果は、そのような豊富な実験データを包括的に解析するツールと手法を提供するものである。これは標準模型を越える新物理理論の解明に繋がり、我々を形作る物質の根源についての理解を一歩進めるものだと期待される。
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Report
(6 results)
Research Products
(30 results)
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[Journal Article] HEPfit: a code for the combination of indirect and direct constraints on high energy physics models2020
Author(s)
J. de Blas, D. Chowdhury, M. Ciuchini, A.M. Coutinho, O. Eberhardt, M. Fedele, E. Franco, G. Grilli di Cortona, V. Miralles, S. Mishima, A. Paul, A. Penuelas, M. Pierini, L. Reina, L. Silvestrini, M. Valli, R. Watanabe, N. Yokozaki
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Journal Title
The European Physical Journal C
Volume: 80
Issue: 5
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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