Role of QCD compositeness in the production of scalar and tensor mesons through single-photon annihilation $e^{+}{e}^{-}\to {\gamma }^{\ast }\to \gamma S(T)$

Alexandr G. Chumakov, Thomas Gutsche, Valery E. Lyubovitskij +1

We study the exclusive production of scalar $S=0^{++}$ and tensor $T=2^{++}$ mesons through single-photon annihilation $e^{+}{e}^{-}\to {\gamma }^{\ast }\to \gamma S(T)$. Using QCD compositeness of t…