Mixed QCD-electroweak corrections to W-boson production in hadron collisions

被引：25
|
作者：
Behring, Arnd [1 ]
Buccioni, Federico [2 ]
Caola, Fabrizio [2 ,3 ]
Delto, Maximilian [1 ]
Jaquier, Matthieu [1 ]
Melnikov, Kirill [1 ]
Rontsch, Raoul [4 ]
机构：
[1] KIT, Inst Theoret Particle Phys, D-76128 Karlsruhe, Germany
[2] Clarendon Lab, Rudolf Peierls Ctr Theoret Phys, Parks Rd, Oxford OX1 3PU, England
[3] Univ Oxford, Wadham Coll, Parks Rd, Oxford OX1 3PN, England
[4] CERN, Theoret Phys Dept, CH-1211 Geneva 23, Switzerland
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 01期
基金：
欧洲研究理事会;
关键词：
ONE-LOOP CORRECTIONS; DRELL-YAN PROCESSES; DIFFERENTIAL-EQUATIONS; RADIATIVE-CORRECTIONS; MELLIN TRANSFORMS; MASTER INTEGRALS; HARMONIC SUMS; RENORMALIZATION; AMPLITUDES; PHYSICS;
D O I：
10.1103/PhysRevD.103.013008
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute mixed QCD-electroweak corrections to the fully differential production of an on-shell W boson. Decays of W bosons to lepton pairs are included in the leading order approximation. The required two-loop virtual corrections are computed analytically for arbitrary values of the electroweak gauge boson masses. Analytic results for integrated subtraction terms are obtained within a soft-collinear subtraction scheme optimized to accommodate the structural simplicity of infrared singularities of mixed QCD-electroweak contributions. Numerical results for mixed corrections to the fiducial cross section of pp -> W+ -> l(+)nu and selected kinematic distributions in this process are presented.
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页数：40
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