论文标题
核结构函数的参数化
Parametrization of the nuclear structure function
论文作者
论文摘要
在本文中,考虑了核结构函数的参数化,该核结构函数直接受QCD在其高能量极限下的动力学的约束。核结构函数的这种简单参数化是通过依靠质子结合的质子结构函数的froissart结合的参数化来从质子实验数据中获得的。该现象学模型描述了在饱和效应的存在下高能QCD。数值计算和与NMC,EMC和E665合作的可用数据的比较表明,N.Armesto,C.A.Salgado和U.A.的建议方法。 Wiedemann(ASW模型)提供了核结构功能的可靠比例$ f_ {2}^{a}/af^{p} _ {2} $在低$ x $中,用于光和重核。预测各种运动区域的核阴影幅度将被预测,并且还可以通过电子离子颜色的将来的实验来分析超高的能量过程。
In this paper, the parametrization of the nuclear structure function which is directly constrained by the dynamics of QCD in its high-energy limit is considered. This simple parameterization of the nuclear structure function is obtained from the proton experimental data by relying on a Froissart-bounded parametrization of the proton structure function. This phenomenological model describes high-energy QCD in the presence of saturation effects. Numerical calculations and comparison with available data from NMC, EMC and E665 Collaborations demonstrate that the suggested method by N.Armesto, C.A.Salgado and U.A. Wiedemann (ASW model) provides reliable ratio of nuclear structure functions $F_{2}^{A}/AF^{p}_{2}$ at low $x$ for light and heavy nuclei. The magnitude of nuclear shadowing is predicted for various kinematic regions and can be applied as well in analysis of ultra-high energy processes by future experiments at electron-ion colliders.