The heavy quarkonium inclusive decays using the principle of maximum conformality Qing Yu, Xing-Gang Wu, Jun Zeng, Xu-Dong Huang and Huai-Min Yu Eur. Phys. J. C, 80 5 (2020) 362 Published online: 06 May 2020 DOI: 10.1140/epjc/s10052-020-7967-x