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Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays
BESIII Collaboration
A partial wave analysis of the mass-threshold enhancement in the reaction is used to determine: its quantum numbers to be ; i…
Search for decays into vector meson pairs
The BESIII Collaboration
The processes $\etacpto ρ^{0}ρ^{0}$, , and are searched for using a sample of $\psip$ events collected with the BESIII detector at the B…
Higher-order multipole amplitude measurement in
BESIII Collaboration
Using events collected with the BESIII detector at the BEPCII storage ring, the higher-order multipole amplitudes in the radiative transition $ψ(2S)\toγχ_{c…
Search for a light exotic particle in J/psi radiative decays
BESIII Collaboration
Using a data sample containing 1.06x10^8 psi' events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the pro…
Study of radiative decays into a vector meson
BESIII Collaboration
The decays () are studied with a sample of radiative $\psip\toγχ_{cJ}$ events in a sample of $(1.06\pm0.04)\times 10^{8} \psip$ events collected with the…
Measurement of the Matrix Element for the Decay
The BESIII Collaboration
The Dalitz plot of decay is studied using $\jpsi$ events collected with the BESIII detector at the BEPCII collider. Wi…