论文标题
核结构函数的预测依赖性参数Balitsky-Kovchegov方程
Predictions for nuclear structure functions from the impact-parameter dependent Balitsky-Kovchegov equation
论文作者
论文摘要
在这项工作中，我们介绍了偶极散射幅度，包括对影响参数的依赖性，用于目前正在设计的电子离子颜色（EICS）感兴趣的各种核目标。这些幅度是通过用共线改进的内核来数字求解Balitsky-Kovchegov方程来获得的。研究了两种不同的情况：代表正在考虑的核的初始条件和基于代表质子的初始条件的溶液，该质子补充了Glauber-Gribov处方，以获得偶极核核振幅。我们发现，这两种方法的能量演变不同。我们使用获得的偶极散射幅度来预测（$ i $）核结构功能，可以在EICS的深弹性散射和（$ ii $）核抑制因子中进行测量，这些因素揭示了我们研究的不同情况下阴影的能量演化。我们将预测与可用数据进行比较。
In this work we present dipole scattering amplitudes, including the dependence on the impact-parameter, for a variety of nuclear targets of interest for the electron-ion colliders (EICs) being currently designed. These amplitudes are obtained by numerically solving the Balitsky-Kovchegov equation with the collinearly improved kernel. Two different cases are studied: initial conditions representing the nucleus under consideration and the solutions based on an initial condition representing a proton complemented by a Glauber-Gribov prescription to obtain dipole-nucleus amplitudes. We find that the energy evolution of these two approaches differ. We use the obtained dipole scattering amplitudes to predict ($i$) nuclear structure functions that can be measured in deep-inelastic scattering at EICs and ($ii$) nuclear suppression factors that reveal the energy evolution of shadowing for the different cases we studied. We compare our predictions with the available data.
