Evasion of HSR in the charmless decays of excited P-wave charmonia Yan Wang, Qi Wu, Gang Li, Ju-Jun Xie and Chun-Sheng An Eur. Phys. J. C, 80 5 (2020) 475 Published online: 26 May 2020 DOI: 10.1140/epjc/s10052-020-8036-1