An interpretation of the fully-charmed scalar state $X(6200)$ as a molecular di-meson

Ö. E. Demircan, H. Dağ, H. Sundu +2

The LHCb Collaboration recently observed new structures in the invariant mass spectrum of $J/\psi J/\psi$ meson pairs produced in proton-proton collisions, including a narrow peak around…