Forward Z-boson production and the unintegrated sea quark density

被引：54

作者：

Hautmann, F. ^{[2
]}

Hentschinski, M. ^{[1
]}

Jung, H. ^{[3
,4
]}

机构：

[1] Univ Autonoma Madrid, Inst Fis Teor, CSIC, E-28049 Madrid, Spain

[2] Univ Oxford, Oxford OX1 3NP, England

[3] DESY, D-22603 Hamburg, Germany

[4] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland

来源：

NUCLEAR PHYSICS B | 2012年 / 865卷 / 01期

关键词：

HIGH-ENERGY FACTORIZATION; PARTON DISTRIBUTION-FUNCTIONS; TRANSVERSE-MOMENTUM; WILSON LINES; DISTRIBUTIONS; EVOLUTION; EXCHANGE; ORDER; QCD;

D O I：

10.1016/j.nuclphysb.2012.07.023

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：

Drell-Yan production in the forward region at the Large Hadron Collider is sensitive to multiple radiation of QCD partons not collinearly ordered, emitted over large rapidity intervals. We propose a method to take account of these radiative contributions via a factorization formula which depends on the unintegrated, or transverse momentum dependent, splitting function associated with the evolution of the initial-state sea quark distribution. We analyze this formula numerically, and point out kinematic effects from the initial-state transverse momentum on the vector boson spectrum. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：54 / 66

页数：13

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