Dipole showers and automated NLO matching in Herwig++

被引：110
|
作者：
Plaetzer, Simon [1 ]
Gieseke, Stefan [2 ]
机构：
[1] DESY, D-22607 Hamburg, Germany
[2] KIT, Inst Theoret Phys, D-76128 Karlsruhe, Germany
来源：
EUROPEAN PHYSICAL JOURNAL C | 2012年 / 72卷 / 11期
关键词：
PARTON DISTRIBUTIONS; QCD; MODEL;
D O I：
10.1140/epjc/s10052-012-2187-7
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 report on the implementation of a coherent dipole shower algorithm along with an automated implementation for dipole subtraction and for performing POWHEG- and MC@NLO-type matching to next-to-leading order (NLO) calculations. Both programs are implemented as add-on modules to the event generator HERWIG++. A preliminary tune of parameters to data acquired at LEP, HERA and Drell-Yan pair production at the Tevatron has been performed, and we find an overall very good description which is slightly improved by the NLO matching.
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页数：19
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