Measurement of αs(MZ2) from hadronic event observables at the Z0 resonance
Physical Review D - Particles, Fields, Gravitation and Cosmology 51 巻 3 号
962-984 頁
1995-02-01 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Measurement of αs(MZ2) from hadronic event observables at the Z0 resonance
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| 作成者 |
SLD Collaboration
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| 収録物名 |
Physical Review D - Particles, Fields, Gravitation and Cosmology
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| 巻 | 51 |
| 号 | 3 |
| 開始ページ | 962 |
| 終了ページ | 984 |
| 抄録 |
The strong coupling αs(MZ2) has been measured using hadronic decays of Z0 bosons collected by the SLD experiment at SLAC. The data were compared with QCD predictions both at fixed order O(αs2) and including resummed analytic formulas based on the next-to-leading logarithm approximation. In this comprehensive analysis we studied event shapes, jet rates, particle correlations, and angular energy flow, and checked the consistency between αs(MZ2) values extracted from these different measures. Combining all results we obtain αs(MZ2)= 0.1200±0.0025 (expt) ±0.0078 (theor), where the dominant uncertainty is from uncalculated higher order contributions.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 1995-02-01 |
| 権利情報 |
Copyright (c) 1995 American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1550-7998
[DOI] 10.1103/PhysRevD.51.962
[NCID] AA00773624
[DOI] http://dx.doi.org/10.1103/PhysRevD.51.962
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