Observation of e+e− → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV
М. Н. Ачасов, P. Adlarson, S. Ahmed, M. Albrecht et autres
Abstract Using a total of 5.25 fb−1 of e+e− collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e+e−→ ηψ(2S) with a statistical significance of 4.9 standard deviations. The data sets were collected …
cn, ru, se, de, it, mn, us, tr, gb (code pays fourni par la source)
5 citations
Journal of High Energy Physics