Browsing by Author "Calcaterra, A.C."

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  • Ablikim, M.; Achasov, M.N.; Ambrose, D.J.; An, F.F.; An, Q.; An, Z.H.; Bai, J.Z.; Ferroli, R.B.; Ban, Y.; Becker, J.; ... (American Physical Society, 2012)
    The two-photon transition $\psi(3686)→\gamma\gamma J/\psi$ is studied in a sample of $1.06×10^8$ $\psi(3686)$ decays collected by the BESIII detector. The branching fraction is measured to be $(3.1±0.6(\text{stat})_{−1.0 ...
  • Ablikim, M.; Achasov, M.N.; Alberto, D.; Ambrose, D.J.; An, F.F.; An, Q.; An, Z.H.; Bai, J.Z.; Baldini Ferroli, R.B.F.; Ban, Y.; ... (American Physical Society, 2012)
    The decays $J/\psi\rightarrow\gamma\pi^+\pi^-\pi^0$ and $J/\psi\rightarrow\gamma\pi^0\pi^0\pi^0$ are analyzed using a sample of $225\times10^6$ $J/\psi$ events collected with the BESIII detector. The decay of $\eta(1405) ...
  • Ablikim, M.; Achasov, M.N.; Alberto, D.; Ambrose, D.J.; An, F.F.; An, Q.; An, Z.H.; Bai, J.Z.; Ferroli, R.B.; Ban, Y.; ... (American Physical Society, 2012)
    The mass and width of the lowest-lying $S$-wave spin singlet charmonium state, the $η_c$, are measured using a data sample of $1.06×10^8 ψ(3686)$ decays collected with the BESIII detector at the BEPCII storage ring. We use ...
  • Ablikim, M.; Achasov, M.N.; Ambrose, D.J.; An, F.F.; An, Q.; An, Z.H.; Bai, J.Z.; Ban, Y.; Becker, J.; Berger, N.; ... (American Physical Society, 2012)
    Using a data sample containing $1.06×10^8 ψ^′$ events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the process $ψ′→π^+π^−J/ψ, J/ψ→γX, X→μ^+μ^−$. ...
  • Ablikim, M.; Achasov, M.N.; Alberto, D.; Ambrose, D.J.; An, F.F.; An, Q.; An, Z.H.; Bai, J.Z.; Baldini Ferroli, R.B.F.; Ban, Y.; ... (American Physical Society, 2012)
    A partial wave analysis of the $p\bar{p}$ mass-threshold enhancement in the reaction $J/\psi\rightarrow\gamma p\bar{p}$ is used to determine its $J^\text{PC}$ quantum numbers to be $0^{-+}$, its peak mass to be below ...

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