QCD Corrections to the Axial Part of the Z Decay Rate
Mar, 19894 pages
Published in:
- Phys.Lett.B 224 (1989) 229-232
- Published: 1989
Report number:
- MPI-PAE/PTh-12/89
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Abstract: (Elsevier)
As a consequence of the large splitting between top and bottom quark masses QCD corrections to the axial part of the Z decay rate into b quarks differ from those to the vector part in order α s 2 . Analytic results for these two-loop corrections are presented.- Z0: NONLEPTONIC DECAY
- NONLEPTONIC DECAY: Z0
- Z0: WIDTH
- CURRENT: AXIAL-VECTOR
- CURRENT: VECTOR
- QUANTUM CHROMODYNAMICS: CORRECTION
- bottom
- MASS: TOP
- TOP: MASS
- FEYNMAN GRAPH: HIGHER-ORDER
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