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Measurement of the Born cross section for \(e^{+}e^{-}\to ηh_c \) at center-of-mass energies between 4.1 and 4.6\,GeV

By Besiii Collaboration and others
We measure the Born cross section for the reaction \(e^{+}e^{-} \rightarrow \eta h_c\) from \(\sqrt{s} = 4.129\) to \(4.600\)~GeV using data sets collected by the BESIII detector running at the BEPCII collider. A resonant structure in the cross section line shape near 4.200~GeV is observed with a statistical significance of... Show more
April 10, 2024
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