Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-09-07
Phys.Rev.D65:073007,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, latex, 17 postscript files, revised version that is to appear in Phys.Rev.D, some explanations added and results ext
Scientific paper
10.1103/PhysRevD.65.073007
The complete set of electroweak O(alpha) corrections to the Drell--Yan-like production of W bosons is calculated and compared to an approximation provided by the leading term of an expansion about the W-resonance pole. All relevant formulae are listed explicitly, and particular attention is paid to issues of gauge invariance and the instability of the W bosons. A detailed discussion of numerical results underlines the phenomenological importance of the electroweak corrections to W-boson production at the Tevatron and at the LHC. While the pole expansion yields a good description of resonance observables, it is not sufficient for the high-energy tail of transverse-momentum distributions, relevant for new-physics searches.
Dittmaier Stefan
Krämer Michael
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