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20022026
most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

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hep-ex2002★ 31 cited

J-ψProduction via χ_c Decays in 920 GeV pA Interactions

B Collaboration

Using data collected by the HERA-B experiment, we have measured the fraction of Jψ's produced via radiative chi_c decays in interactions of 920 GeV protons with carbon and titanium…