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.

引用

页数：9

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