NNLO QCD corrections to event orientation in e+e− annihilation

NNLO QCD corrections to event orientation in e+e− annihilation
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e+e− 湮灭中事件方向的 NNLO QCD 修正

DOI:
10.1016/j.physletb.2017.10.069
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发表时间:
2017
期刊:
影响因子:
4.4
通讯作者:
Hantian Zhang
Hantian Zhang
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
T. Gehrmann;N. Glover;A. Huss;J. Niehues;Hantian Zhang

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我们提出了对电子-正电子湮灭中三射流最终状态和相关事件形状可观测量的 NNLO QCD 校正的新实现。我们的实现基于天线相减方法,并在 NNLOjet 框架中执行。该计算通过考虑初始状态动量的完整运动学信息来改进早期结果,从而允许以 NNLO 精度计算事件方向。我们发现 LEP 和 SLC 的事件导向分布在高阶 QCD 校正下非常稳健。
We present a new implementation of the NNLO QCD corrections to three-jet final states and related event-shape observables in electron–positron annihilation. Our implementation is based on the antenna subtraction method, and is performed in theNNLOjetframework. The calculation improves upon earlier results by taking into account the full kinematical information on the initial state momenta, thereby allowing the event orientation to be computed to NNLO accuracy. We find the event-orientation distributions at LEP and SLC to be very robust under higher order QCD corrections.
DOI: 10.1140/epjc/s10052-009-1149-1
发表时间: 2008-10
期刊: arXiv: High Energy Physics - Experiment
影响因子: --
作者:
S. Bethke;S. Kluth;C. Pahl;J. Schieck;The Jade Collaboration
通讯作者: S. Bethke;S. Kluth;C. Pahl;J. Schieck;The Jade Collaboration
使用 JADE 数据测量 eâ 湮灭中三射流速率的强耦合 αS
DOI: 10.1140/epjc/s10052-013-2332-y
发表时间: 2013
期刊: The European Physical Journal C
影响因子: --
作者:
Schieck
通讯作者: Schieck