Antenna subtraction at NNLO with hadronic initial states: double real initial-initial configurations

被引：71

作者：

Gehrmann-De Ridder, A. ^{[1
]}

Gehrmann, T. ^{[2
]}

Ritzmann, M. ^{[3
]}

机构：

[1] ETH, Inst Theoret Phys, CH-8093 Zurich, Switzerland

[2] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland

[3] CEA Saclay, Inst Phys Theor, F-91191 Gif Sur Yvette, France

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 10期

基金：

瑞士国家科学基金会; 欧洲研究理事会;

关键词：

Jets; Hadronic Colliders; EXPANDING HYPERGEOMETRIC-FUNCTIONS; 2-LOOP QCD CORRECTIONS; HIGGS-BOSON PRODUCTION; TO-LEADING ORDER; SINGULAR EMISSION; CROSS-SECTIONS; GAUGE-THEORIES; EVENT SHAPES; AMPLITUDES; FACTORIZATION;

D O I：

10.1007/JHEP10(2012)047

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：

The antenna subtraction method handles real radiation contributions in higher order corrections to jet observables. The method is based on antenna functions, which encapsulate all unresolved radiation between a pair of hard radiator partons. To apply this method to compute hadron collider observables, initial-initial antenna functions with both radiators in the initial state are required in unintegrated and integrated forms. In view of extending the antenna subtraction method to next-to-next-to-leading order (NNLO) calculations at hadron colliders, we derive the full set of initial-initial double real radiation antenna functions in integrated form.

引用

页数：41

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