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Forward-backward $b$-quark asymmetry at the Z pole: QCD uncertainties redux
The forward-backward asymmetry of b-quarks measured at LEP in e + e − collisionsat the Z pole, A 0,b fb | exp = 0.0992 ± 0.0016, remains today the electroweakprecision observable with the largest disagreement (2.8σ) with the StandardModel theoretical prediction, A 0,b fb | th = 0.1037 ± 0.0008. The...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2018
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/2624788 |