Electromagnetic and hadronic decay of fully heavy tetraquark

Wen-Long Sang, Tao Wang, Yu-Dong Zhang +1

In this study, we compute the electromagnetic and hadronic decay widths of the S-wave fully heavy tetraquark $T_{4Q}$ ($Q=c$ or $b$) at lowest order in ${\alpha }_s$ and $v$, in the framew…