Exotic tetraquark states with $J^{PC}=0^{+-}$

Yi-Chao Fu, Zhuo-Ran Huang, Zhu-Feng Zhang +1

We use the Laplace/Borel sum rules (LSR) and the finite energy/local duality sum rules (FESR) to investigate the non-strange $ud\bar{u}\bar{d}$ and hidden-strange $us\bar{u}\bar{s}$ te…