241 citations · 822 across the 7 of their papers we have counts for
1 paper · 1 filter
The Belle Collaboration, K. Abe
We report the first observation of a new charmonium state at a mass of (3.943±0.006±0.006)GeV/c2. This state, called X(3940), is observed in the process $e^+ e^- \to…