Next-to-leading order QCD corrections to W+W-γ and ZZγ production with leptonic decays

被引：40
|
作者：
Bozzi, G. [1 ,2 ]
Campanario, F. [3 ,4 ,5 ]
Hankele, V. [3 ]
Zeppenfeld, D. [3 ]
机构：
[1] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy
[2] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[3] Univ Karlsruhe, Karlsruhe Inst Technol, Inst Theoret Phys, D-76128 Karlsruhe, Germany
[4] Univ Valencia, CSIC, Dept Fis Teor, E-46100 Valencia, Spain
[5] Univ Valencia, CSIC, IFIC, E-46100 Valencia, Spain
来源：
PHYSICAL REVIEW D | 2010年 / 81卷 / 09期
关键词：
CROSS-SECTIONS; AMPLITUDES; REDUCTION;
D O I：
10.1103/PhysRevD.81.094030
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The computation of the O(alpha(s)) QCD corrections to the cross sections for W+W-gamma and ZZ gamma production in hadronic collisions is presented. We consider the case of a real photon in the final state, but include full leptonic decays of the W and Z bosons. Numerical results for the LHC and the Tevatron are obtained through a fully flexible parton level Monte Carlo program based on the structure of the VBFNLO program, allowing an easy implementation of arbitrary cuts and distributions. We show the dependence on scale variations of the integrated cross sections and provide evidence that next-to-leading order (NLO) QCD corrections strongly modify the LO predictions for observables at the LHC both in magnitude and in shape.
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页数：7
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