$K\bar{K}$ Threshold Phenomena, $f_0-a_0$ Interference and Kaonium Production

B. Kerbikov, S. V. Bashinsky

We develop a new formalism to study $K\bar{K}$ threshold phenomena with resonances $f_0$, $a_0$ and $K^{+}{K}^{-}$ atom (kaonium) included. The approach provides two possible scenarios f…