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

Antenna subtraction at NNLO with hadronic initial states: double real initial-initial configurations
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具有强子初始状态的 NNLO 天线减法:双实数初始-初始配置

DOI:
10.1007/jhep10(2012)047
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发表时间:
2011
影响因子:
5.4
通讯作者:
M. Ritzmann
M. Ritzmann
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
A. Ridder;T. Gehrmann;M. Ritzmann

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天线相减法处理喷流观测量高阶修正中的真实的辐射贡献。该方法是基于天线功能,封装一对硬辐射体部分子之间的所有未解决的辐射。为了应用这种方法计算强子对撞机的观测量,初始-初始天线函数的两个辐射在初始状态下,需要在未集成和集成的形式。为了将天线减法推广到强子对撞机的次-次-首阶(NNLO)计算,我们导出了完整的初-初双真实的辐射天线函数集.
A bstractThe 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.
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发表时间: 2008-10
期刊: arXiv: High Energy Physics - Experiment
影响因子: --
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