High Order QCD Predictions for Inclusive Production of W Bosons in pp Collisions at √s=13 TeV

被引：6
|
作者：
Ogul, Hasan [1 ,2 ]
Dilsiz, Kamuran [1 ]
Tiras, Emrah [1 ]
Tan, Ping [3 ]
Onel, Yasar [1 ]
Nachtman, Jane [1 ]
机构：
[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
[2] Sinop Univ, Dept Phys, TR-57000 Korucuk, Sinop, Turkey
[3] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
来源：
ADVANCES IN HIGH ENERGY PHYSICS | 2016年 / 2016卷
关键词：
D O I：
10.1155/2016/7865689
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：
Predictions of fiducial cross sections, differential cross sections, and lepton charge asymmetry are presented for the production of W-+/- bosons with leptonic decay up to next-to-next-to-leading order (NNLO) in perturbative QCD. Differential cross sections of W-+/- bosons and W boson lepton charge asymmetry are computed as a function of lepton pseudorapidity for a defined fiducial region in pp collisions at root s = 13TeV. Numerical results of fiducial W-+/- cross section predictions are presented with the latest modern PDF models at next-to-leading order (NLO) and NNLO. It is found that the CT14 and NNPDF 3.0 predictions with NNLO QCD corrections are about 4% higher than the NLO CT14 and NNPDF 3.0 predictions while MMHT 2014 predictions with NLO QCD corrections are smaller than its NNLO QCD predictions by approximately 6%. In addition, the NNLO QCD corrections reduce the scale variation uncertainty on the cross section by a factor of 3.5. The prediction of central values and considered uncertainties are obtained using FEWZ 3.1 program.
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页数：9
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