-meson longitudinal twist-2 distribution amplitude and the decay processesDan-Dan Hu, Hai-Bing Fu, Tao Zhong, Zai-Hui Wu and Xing-Gang WuEur. Phys. J. C, 82 7 (2022) 603DOI: https://doi.org/10.1140/epjc/s10052-022-10555-y