Abstract

Due to the absence of the free neutron target, the form factors or the structure function of the neutron directly cannot be obtained from the elastic scattering data. Therefore, in this paper, we obtained the neutron structure function using the deep inelastic structure function of the proton and by applying the EMC and the shadowing effects on the structure function of the deuteron. Then, using the quantum chromo dynamics theorem and re-analysis of data from the SLAC experiments E49, E61, E87, and E89 in electron–proton deep inelastic scattering at Q² = 1–20 GeV², we have extracted the up and down quark distribution functions, \({{u}_{{v}}}\)(x), \({{d}_{{v}}}\)(x), and also, using an appropriate model for the general parton distribution function, we have plotted the Dirac form factor of the neutron. At the end, the curves obtained in this work were compared with the curves obtained in other models.

中文翻译：

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考虑EMC和遮蔽效应的狄拉克中子形状因数的Parton分布函数和计算

摘要

由于缺少自由中子靶，所以不能直接从弹性散射数据中获得中子的形状因子或结构功能。因此，在本文中，我们利用质子的深层非弹性结构函数，并通过将EMC和遮蔽效应应用于氘核的结构函数，获得了中子结构函数。然后，使用量子色动力学定理和对SLAC实验E49，E61，E87和E89在Q ² = 1-20 GeV ^2的电子-质子深非弹性散射中的数据进行重新分析，我们提取了上下夸克分布函数\（{{u} _ {{v}}} \）（x），\（{{d} _ {{v}}} \\）（x），并使用适当的模型来表示一般的parton分布函数，我们绘制了中子的Dirac形状因数。最后，将在这项工作中获得的曲线与在其他模型中获得的曲线进行了比较。