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arXiv 2007.05858hep-ph
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受光阵面全息启发的模型中π核诱导的Drell-Yan截面

Pion-nucleus induced Drell-Yan cross section in models inspired by light-front holography

Jiangshan Lan, Chandan Mondal

摘要:

我们评估的截面的π诱导Drell-Yan过程在两种不同的模型的π光前波函数,启发光前全息方法。我们得到了这些模型中的价夸克分布函数,经过QCD演化后,与费米实验室E-0615实验的结果一致。通过对靶核部分子分布函数的补充,我们得到了与实验数据相一致的$π^-$核$\rightarrow {μ^+μ^-X}$ Drell-Yan过程的截面.

英文摘要:

We evaluate the cross section for the pion induced Drell-Yan process in two different models of the pion light-front wave function, inspired by light-front holographic approaches. We obtain the valence quark distribution functions in those models, which after QCD evolution, are consistent with the experimental data from the E-0615 experiment at Fermilab. Supplemented by the parton distribution functions of the target nuclei, we obtain the cross section consistent with the experimental data for the $π^-$ Nucleus $\rightarrow {μ^+μ^-X}$ Drell-Yan process.

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