Unified study of scalar, vector and tensor two-meson form factors in $U(3)$ resonance chiral theory

Jin Hao, Chun-Gui Duan, Zhi-Hui Guo +2

We perform a systematic study of two-meson form factors of the scalar, vector, and anti-symmetric tensor types within the framework of the $U(3)$ resonance chiral theory. The compl…