This is a coupled-channel analysis of the LHCb data reporting the
We consider coupled channels of two kinds:
- two channels:
$J/\psi J/\psi$ and$J/\psi \psi(2S)$ - three channels:
$J/\psi J/\psi$ ,$J/\psi \psi(2S)$ and$J/\psi \psi(3770)$
This is a coupled-channel analysis of the LHCb data reporting the
We consider coupled channels of two kinds: