no code implementations • 14 Dec 2020 • Ahmed Ali, Luciano Maiani, Alexander Parkhomenko, Wei Wang
Recently, the Belle Collaboration has updated the analysis of the cross sections for the processes $e^+ e^- \to \Upsilon(nS)\, \pi^+ \pi^-$ ($n = 1,\, 2,\, 3$) in the $e^+ e^-$ center-of-mass energy range from 10. 52 to 11. 02~GeV.
High Energy Physics - Phenomenology High Energy Physics - Experiment
