Probing the $\gamma {\gamma }^{\ast }\to {\eta }^{(\prime )}$ Transition Form Factors with Newly Derived ${\eta }^{(\prime )}$-Meson Light-Cone Distribution Amplitudes

Dan-Dan Hu, Xing-Gang Wu, Yu-Jie Zhang +2

In the present work, we analyze the properties of the transition form factors (TFFs) for the $\gamma {\gamma }^{\ast }\to {\eta }^{(\prime )}$ process, employing the ${\eta }^{(\prime )}$-meson light-cone distribut…