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Resummation with Wilson Lines off the Light Cone1

机译:用威尔逊排队从轻锥体1中开始

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I review the resummation formalism for organizing large logarithms in perturbative expansion of collinear subprocesses through the variation of Wilson lines off the light cone. A master equation is derived, which involves the evolution kernel resulting from this variation. It is then demonstrated that all the known single- and double-logarithm summations for a parton distribution function or a transverse-momentumdependent parton distribution can be reproduced from the master equation by applying appropriate soft-gluon approximations to the evolution kernel. Moreover, jet substructures, information which is crucial for particle identification at the Large Hadron Collider and usually acquired from event generators, can also be calculated in this formalism.
机译:我审查了通过威尔逊线路从轻锥形旋转的威尔逊线的变化来组织大型对划线的组织大型对数的形式主义。 导出母系方程,其涉及由这种变化引起的进化核。 然后证明,通过将适当的软胶近似值应用于演进内核,可以从主方程再现PATON分布函数的所有已知的单对数和横向动量依赖的PARON分发的所有已知的单对数求和。 此外,在这种形式主义中也可以计算喷射子结构,这对于大型强子撞机的粒子识别并且通常从事件发生器获取的信息至关重要,这些信息在这种形式中也可以计算。

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