Auto Dipole - Automated generation of dipole subtraction terms

被引：40

作者：

Hasegawa, K. ^{[1
]}

Moch, S. ^{[2
]}

Uwer, P. ^{[1
]}

机构：

[1] Humboldt Univ, Inst Phys, D-10099 Berlin, Germany

[2] Deutsch Elektronensynchrotron DESY, D-15738 Zeuthen, Germany

来源：

COMPUTER PHYSICS COMMUNICATIONS | 2010年 / 181卷 / 10期

关键词：

Quantum chromodynamics; Lattice gauge theory; JET CROSS-SECTIONS; HIGHER-ORDER CORRECTIONS;

D O I：

10.1016/j.cpc.2010.06.044

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

We present an automated generation of the subtraction terms for next-to-leading order QCD calculations in the Catani-Seymour dipole formalism. For a given scattering process with n external particles our Mathematica package generates all dipole terms, allowing for both massless and massive dipoles. The numerical evaluation of the subtraction terms proceeds with MadGraph, which provides Fortran code for the necessary scattering amplitudes. Checks of the numerical stability are discussed.

引用

页码：1802 / 1817

页数：16

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