论文标题
大$ N_C $ MESON的Parton物理学
Parton physics of the large-$N_c$ mesons
论文作者
论文摘要
我们通过首次使用晶格蒙特卡洛方法对近$ n_c $ pion的共线结构进行了首次计算，对稳定大的$ n_c $介子的结构物理学进行了研究。我们将较大的$ N_C $ Continuum减少调整，以确定涉及空间扩展的准PDF操作员的介子相关函数，这是一种仅集中在短扰动长度尺度上的完美策略。我们在大$ n_c $中发现乳子的内部结构，而$ n_c = 3 $理论非常相似。有趣的是，我们发现暗示，即使观察到的差异也可能在很大程度上通过在低分解量表下从相似初始条件的两种理论中的不同扰动QCD演变出现。
We initiate the studies on the structural physics of the tower of stable large-$N_c$ mesons through a first computation of the collinear quark-structure of a large-$N_c$ pion using lattice Monte-Carlo methods. We adapt the large-$N_c$ continuum reduction for the determination of meson correlation functions involving the spatially-extended quasi-PDF operators as a perfect strategy to concentrate only on the short perturbative length scales. We find the internal structures of pion in the large-$N_c$ and $N_c=3$ theories to be quite similar. Interestingly, we find hints that even the observed differences could arise to a large extent via the different perturbative QCD evolution in the two theories from similar initial conditions at low factorization scales.
