Relativistic Corrections to $e^+e^- \to J/ψ+ η_c$ in a Potential Model
Geoffrey T. Bodwin, Daekyoung Kang, Taewon Kim, Jungil Lee, Chaehyun Yu
Abstract
We compute relativistic corrections to the process $e^+e^- \to J/ψ+ η_c$ and find that they resolve the discrepancy between theory and experiment.