Mixing of $\eta -{\eta }^{\prime }$ in charge-exchange reactions and decays of mesons with heavy quarks

J. V. Balitsky, V. V. Kiselev, A. K. Likhoded +1

Involving of elastic rescattering and annihilation of quark-antiquark pairs in a final state allows us to explain a dependence of ratio for cross sections of ${\eta }^{\prime }$ and $\eta$ mesons ve…