Arrangement for $K_2^{\ast }$ meson family

Ting-yan Li, Ya-rong Wang, Cheng-qun Pang

Two observed structures with $M=1868\pm 8_{-57}^{+40}$ MeV and $M=2073\pm 94_{-240}^{+245}$ MeV are the same states ($K_2^{\ast }(1980)$) in PDG.The analysis of the mass spectrum a…