Transverse-momentum resummation: A perturbative study of Z production at the Tevatron

被引：74

作者：

Bozzi, Giuseppe ^{[2
]}

Catani, Stefano ^{[1
,3
]}

Ferrera, Giancarlo ^{[1
,3
]}

de Florian, Daniel ^{[4
]}

Grazzini, Massimiliano ^{[1
,3
]}

机构：

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

[2] Univ Karlsruhe, Inst Theoret Phys, D-76128 Karlsruhe, Germany

[3] Univ Florence, Dipartimento Fis, I-50019 Florence, Italy

[4] Univ Buenos Aires, Dept Fis, FCEYN, RA-1428 Buenos Aires, DF, Argentina

来源：

NUCLEAR PHYSICS B | 2009年 / 815卷 / 1-2期

关键词：

DRELL-YAN PROCESS; ELECTROWEAK-BOSON PRODUCTION; DEEP-INELASTIC SCATTERING; SOFT GLUON RESUMMATION; ONE-LOOP CORRECTIONS; TO-LEADING-ORDER; CROSS-SECTION; HIGGS-BOSON; LOGARITHMIC CORRECTIONS; RADIATIVE-CORRECTIONS;

D O I：

10.1016/j.nuclphysb.2009.02.014

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 transverse-momentum (q(T)) resummation for Drell-Yan lepton pair production in hadron collisions. At small values of q(T), the logarithmically-enhanced QCD contributions are resummed up to next-to-leading logarithmic accuracy. At intermediate and large values of q(T), resummation is consistently combined with the fixed-order perturbative result. We present numerical results for e(+)e(-) pairs from the decay of Z bosons produced at Tevatron energies. We perform a detailed study of the scale dependence of the results to estimate the corresponding perturbative uncertainty. We comment on the comparison with the available Tevatron data. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：174 / 197

页数：24

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