Precision Physics of Top Quark Based on Perturbative QCD
| Project/Area Number |
26400238
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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 | Tohoku University |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | トップクォーク / 基礎物理定数 / クォーク質量 / 摂動QCD / 精密測定 / 摂動ＱＣＤ / Particle Data Group / 質量 / ＬＨＣ実験 / リニアコライダー実験 / 物理定数 |
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| Outline of Final Research Achievements |
(1) I have developed the "Weight function method," which enables precise measurements of particle properties in high energy experiments, towards practical applications in the LHC experiments. In collaboration with experimentalists I performed detailed analyses necessary for top mass precise determination using this method. (2) I showed that in principle mt can be measured with about 30 MeV accuracy in future linear collider experiments, by incorporating recent theoretical developments in higher-order corrections. (3) Applying the same method, I determined the MSbar masses of the charm and bottom quarks. The determined values were adopted as the most recent determinations in the 2016 edition of the Particle Data Group (PDG). (4) I was appointed as the encoder of the top quark session in PDG, and have been compiling the newest data on top quark properties.
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Report
(4 results)
Research Products
(21 results)
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[Journal Article] Review of Particle Physics2016
Author(s)
Particle Data Group (C. Patrignani, K. Agashe, G. Aielli, C. Amsler, M. Antonelli, D.M. Asner, H. Baer, Sw. Banerjee, R.M. Barnett, Y. Sumino, et al.)
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Journal Title
Chinese Physics
Volume: C40, no.10
Issue: 10
Pages: 1-1808
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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