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BESIII_2012_I1088606

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Measurement of the $\pi\pi$ mass distribution in the decays $J/\psi$ and $\psi(2S)$ to $\pi^+\pi^-\pi^0$ be BES. N.B. data read from plots and may not be corrected.

Filter plots: 
d01-x01-y01:
d01-x01-y02:
dalitz_Jpsi_EE:
dalitz_psi2S_EE: