KEDR measures B(J/ψ→ρη) = (2.04 ± 0.58 ± 0.39) x 10^-4 and B(J/ψ→φη) = (7.82 ± 1.17 ± 0.58) x 10^-4 from 4.93 million J/ψ decays, consistent with previous experiments.
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The branching fraction measurements of $J/\psi$ decay into $\rho \eta$ and $\phi \eta$ final states
KEDR measures B(J/ψ→ρη) = (2.04 ± 0.58 ± 0.39) x 10^-4 and B(J/ψ→φη) = (7.82 ± 1.17 ± 0.58) x 10^-4 from 4.93 million J/ψ decays, consistent with previous experiments.