Determination of the $ψ(3770)$, $ψ(4040)$, $ψ(4160)$ and $ψ(4415)$ resonance parameters

Details Determination of the $ψ(3770)$, $ψ(4040)$, $ψ(4160)$ and $ψ(4415)$ resonance parameters Determination of the $ψ(3770)$, $ψ(4040)$, $ψ(4160)$ and $ψ(4415)$ resonance parameters

2007-05-31

arxiv.org/abs/0705.4500v1

ECONF C070805:02,2007; Phys.Lett.B660:315-319,2008

Physics

High Energy Physics

High Energy Physics - Experiment

9 pages, 3 figures, 1 table

Scientific paper

10.1016/j.physletb.2007.11.100

$R$ measurement data taken with the BESII detector at center-of-mass energies between 3.7 and 5.0 GeV is fitted to determine resonance parameters (mass, total width, electron width) of the high mass charmonium states, $\psi(3770)$, $\psi(4040)$, $\psi(4160)$ and $\psi(4415)$. Various effects, including the relative phases between the resonances, interferences, the energy-dependence of the full widths, and the initial state radiative correction, are examined. The results are compared to previous studies.

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