Measurements of the Two-Photon Widths of the Charmonium States ${η_c}$, $χ_{c{\large{0}}}$ and $χ_{c{\large{2}}}$

Details Measurements of the Two-Photon Widths of the Charmonium States ${η_c}$, $χ_{c{\large{0}}}$ and $χ_{c{\large{2}}}$ Measurements of the Two-Photon Widths of the Charmonium States ${η_c}$, $χ_{c{\large{0}}}$ and $χ_{c{\large{2}}}$

1995-07-12

arxiv.org/abs/hep-ex/9507006v1

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, uses psfig.tex, 5 eps figures appended at the end

Scientific paper

Using the CLEO-II detector at the CESR $e^+e^-$ storage ring running at the center-of-mass energy around 10.6 GeV, we have studied exclusive production of charmonium states in two-photon collisions. Employing a dataset comprising 3.0 ${\rm fb}^{-1}$ we have searched for decays of the $\eta_c$, $\chi_{c0}$ and $\chi_{c2}$ mesons resulting in four charged hadrons. We report on the measurements of the cross sections and two-photon widths of these charmonium states.

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