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First Observation of the Decays chi_{cJ} -> pi^0 pi^0 pi^0 pi^0
BESIII Collaboration
We present a study of the P-wave spin -triplet charmonium chi_{cJ} decays (J=0,1,2) into pi^0 pi^0 pi^0 pi^0. The analysis is based on 106 million \psiprime decays recorded with th…
Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'
BESIII Collaboration
With a sample of (225.2\pm2.8)*10^{6} J/psi events registered in the BESIII detector, J/psi->gamma pi^+ pi^- eta' is studied using two eta' decay modes: eta'->pi^+ pi^- eta and eta…
Study of a0(980)--f0(980) mixing
The BESIII Collaboration
Using samples of 2.25*10^8 J/psi events and 1.06*10^8 psi' events collected with the BES III detector, we study the f0(980) to a0(980) and a0(980) to f0(980) transitions in the pro…
Measurements of h_c(^1P_1) in psi' Decays
The BESIII Collaboration
We present measurements of the charmonium state made with 106M events collected by BESIII at BEPCII. Clear signals are observed for with and withou…
Branching fraction measurements of χ_{c0} and χ_{c2} to π^0π^0 and ηη
The BESIII Collaboration
Using a sample of 1.06 \times 10^8 ψ^{\prime} decays collected by the BESIII detector, χ_{c0} and χ_{c2} decays into π^0π^0 and ηηare studied. The branching fraction results are Br…