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arXiv 0909.3488hep-ph
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NLL阈重显和方反夸克产生中的色结构

Colour structure in threshold resummation and squark-antisquark production at NLL

Martin Beneke, Pietro Falgari, Christian Schwinn

摘要:

我们认为,在强子对撞机的重色粒子对生产过程中的软和库仑胶子的reproduction,并讨论最近的结果在色空间的基础上,对角化的软函数的所有订单微扰理论和确定的两个循环软异常尺寸NNLL reproduction所需的建设。本文给出了在LHC中产生方反夸克的软胶子和库仑胶子效应的NLL联合修正结果。

英文摘要:

We consider the resummation of soft and Coulomb gluons for pair-production processes of heavy coloured particles at hadron colliders, and discuss recent results on the construction of a basis in colour space that diagonalizes the soft function to all orders in perturbation theory and the determination of the two-loop soft anomalous dimension needed for NNLL resummations. We present results for the combined NLL resummation of soft gluon and Coulomb-gluon effects for squark-antisquark production at the LHC.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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