Precision test of the Standard Model by fine lattice calculations
| Project/Area Number |
26247043
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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 | High Energy Accelerator Research Organization |
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Principal Investigator |
Hashimoto Shoji 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, 教授 (90280510)
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| Co-Investigator(Kenkyū-buntansha) |
深谷 英則 大阪大学, 理学研究科, 助教 (70435676)
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| Co-Investigator(Renkei-kenkyūsha) |
KANEKO Takashi 高エネルギー加速器研究機構, 素粒子原子核研究所, 研究機関講師 (20342602)
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥39,260,000 (Direct Cost: ¥30,200,000、Indirect Cost: ¥9,060,000)
Fiscal Year 2017: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
Fiscal Year 2016: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2015: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
Fiscal Year 2014: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
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| Keywords | 格子QCD / B中間子 / チャームクォーク / 計算物理 / 格子ゲージ理論 / 素粒子論 |
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| Outline of Final Research Achievements |
We performed large scale simulation of quantum chromodynamics (QCD) employing a chirally symmetric fermion formulation on the lattice with applications to the calculation of B and D meson decay form factors in mind. In order to control the discretization effects that could be significant for heavy quarks, we take fine lattice spacings between 0.044 fm and 0.083 fm. We generated and accumulated the lattice data describing the vacuum of QCD at various light quark masses. Utilizing these generated data, we calculated various physical quantities including a precise determination of charm quark mass, a comparison of short-distance current correlation functions with experimental data, as well as a calculation of D meson semi-leptonic decay form factors.
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Report
(5 results)
Research Products
(44 results)
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[Journal Article] Improved lattice fermion action for heavy quarks2015
Author(s)
Yong-Gwi Cho, Shoji Hashimoto, Andreas Jüttner, Takashi Kaneko, Marina Marinkovic, Jun-Ichi Noaki, Justus Tobias Tsang
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Journal Title
Joural of High Energy Physics
Volume: 1505
Issue: 5
Pages: 072-072
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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