论文标题
模拟EICC中的中子标签的深度非弹性散射
Simulation of the neutron-tagged deep inelastic scattering at EicC
论文作者
论文摘要
测量拓扑结构函数具有很高的兴趣，因为它为理解夸克之间的强烈相互作用和测试QCD预测提供了一个新的领域。为此，我们研究了可能的实验对EICC的可行性和预期影响。我们基于领先的中子标记的DIS过程的模型以及jAM18全局分析的Parton分布函数，以EICC测量的统计精度显示了仿真结果。模拟显示，在可接受的统计不确定性内，在EICC，运动学覆盖$x_π$从0.01到1不等，$ q^2 $从1 GEV $^2 $到50 GEV $^2 $不等。假设在低 - $ q^{2} $ region（$ <10 $ gev $^2 $）的集成光度为50 fb $^{ - 1} $，MC数据表明，整个$ x _ {\rmπ} $范围中建议的测量值很高（$ <3 $ \％）。为了执行这样的实验，仅需要添加远方的中子量热仪。
Measuring the pionic structure function is of high interests as it provides a new area for understanding the strong interaction among quarks and testing the QCD predictions. To this purpose, we investigate the feasibility and the expected impacts of a possible experiment on EicC. We show the simulation results on the statistical precision of an EicC measurement, based on the model of leading neutron tagged DIS process and the parton distribution functions of the pion from JAM18 global analysis. The simulation shows that at EicC, the kinematics cover $x_π$ range from 0.01 to 1, and $Q^2$ range from 1 GeV$^2$ to 50 GeV$^2$, within the acceptable statistical uncertainty. Assuming an integrated luminosity of 50 fb$^{-1}$, in the low-$Q^{2}$ region ($<10$ GeV$^2$), the MC data show that the suggested measurement in the whole $x_{\rmπ}$ range reaches very high precision ($<3$\%). To perform such an experiment, only the addition of a far-forward neutron calorimeter is needed.
