The qT subtraction method for top-quark production at hadron colliders

被引：0

作者：

Bonciani, Roberto ^{[1
,2
]}

Catani, Stefano ^{[3
,4
]}

Grazzini, Massimiliano ^{[5
]}

Sargsyan, Hayk ^{[5
]}

Torre, Alessandro ^{[5
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[2] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[3] Ist Nazl Fis Nucl, Sez Firenze, I-50019 Florence, Italy

[4] Univ Florence, Dipartimento Fis & Astron, I-50019 Florence, Italy

[5] Univ Zurich, Inst Phys, Schonberggasse 9, CH-8057 Zurich, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2015年 / 75卷 / 12期

基金：

瑞士国家科学基金会;

关键词：

TRANSVERSE-MOMENTUM RESUMMATION; HARD-COLLINEAR COEFFICIENTS; HIGGS-BOSON PRODUCTION; DOUBLE-REAL RADIATION; JET CROSS-SECTIONS; DIPOLE FORMALISM; QCD CORRECTIONS; REDUCTION;

D O I：

10.1140/epjc/s10052-015-3793-y

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 top-quark pair production at hadron colliders. We use the q(T) subtraction formalism to perform a fully differential computation for this process. Our calculation is accurate up to the next-to-leading order in QCD perturbation theory and it includes all the flavour off-diagonal partonic channels at the next-to-next-to-leading order. We present a comparison of our numerical results with those obtained with the publicly available numerical programs MCFM and Top++.

引用

页数：7

共 50 条

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