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arXiv 2005.14688hep-phhep-exnucl-exnucl-th
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McLerran-Venugopalan模型的螺旋度相关扩展

Helicity-dependent extension of the McLerran-Venugopalan model

Florian Cougoulic, Yuri V. Kovchegov

摘要:

我们构建了一个概括的麦克莱兰-Venugopalan(MV)模型,包括螺旋效应的纵向极化目标(质子或一个大的核)。扩展的MV模型可以作为初始条件,推广JIMWLK演化方程的螺旋度,以及在QCD的准经典近似中计算螺旋度相关的观测量.

英文摘要:

We construct a generalization of the McLerran-Venugopalan (MV) model including helicity effects for a longitudinally polarized target (a proton or a large nucleus). The extended MV model can serve as the initial condition for the helicity generalization of the JIMWLK evolution equation constructed in our previous paper, as well as for calculation of helicity-dependent observables in the quasi-classical approximation to QCD.

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