论文标题
用晶格QCD计数线性极化的元素
Counting linearly polarized gluons with lattice QCD
论文作者
论文摘要
我们概述了一种在晶格上借助大动量有效理论计算晶格中未极化强子内线性极化振荡的横向摩肌依赖性分布的方法。为了实现此目的,我们建议计算晶格上快速移动强子的欧几里得版本的极化程度,即紫外线有限,不需要软功能减法。它表明了一种探索质子中线性极化振荡的分布以及晶格上强子碰撞中线性极化的gluon效应的实用方法。
We outline an approach to calculate the transverse-momentum-dependent distribution of linearly polarized gluons inside an unpolarized hadron on the lattice with the help of large momentum effective theory. To achieve this purpose, we propose calculating a Euclidean version of the degree of polarization for a fast-moving hadron on the lattice, which is ultraviolet finite, and no soft function subtraction is needed. It indicates a practical way to explore the distribution of the linearly polarized gluons in a proton and the linearly polarized gluon effects in hadron collisions on the lattice.