Vector-boson production at hadron colliders: hard-collinear coefficients at the NNLO

被引：117
|
作者：
Catani, Stefano [1 ,2 ]
Cieri, Leandro [1 ,2 ]
de Florian, Daniel [3 ]
Ferrera, Giancarlo [4 ,5 ]
Grazzini, Massimiliano [6 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Firenze, I-50019 Florence, Italy
[2] Univ Florence, Dipartimento Fis & Astron, I-50019 Florence, Italy
[3] Univ Buenos Aires, Dept Fis, FCEYN, Buenos Aires, Argentina
[4] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy
[5] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[6] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland
来源：
EUROPEAN PHYSICAL JOURNAL C | 2012年 / 72卷 / 11期
关键词：
TRANSVERSE-MOMENTUM RESUMMATION; HIGGS-BOSON; LOGARITHMIC CORRECTIONS; LEPTON PAIRS; DISTRIBUTIONS; JETS; Q(T);
D O I：
10.1140/epjc/s10052-012-2195-7
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider QCD radiative corrections to vector-boson production in hadron collisions. We present the next-to-next-to-leading order (NNLO) result of the hard-collinear coefficient function for the all-order resummation of logarithmically enhanced contributions at small transverse momenta. The coefficient function controls NNLO contributions in resummed calculations at full next-to-next-to-leading logarithmic accuracy. The same coefficient function is used in applications of the subtraction method to perform fully exclusive perturbative calculations up to NNLO.
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页数：9
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