Charmonium spectroscopy and decay at CLEO-c

Helmut Vogel (on behalf of the CLEO collaboration)

doi:10.1088/1674-1137/34/6/002

Chinese Physics C> 2010, Vol. 34> Issue(6) : 621-625 DOI: 10.1088/1674-1137/34/6/002

Charmonium spectroscopy and decay at CLEO-c

Helmut Vogel (on behalf of the CLEO collaboration)

Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA

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Abstract：
We report recent results on charmonium spectroscopy and decay from the CLEO-c experiment at the Cornell electron-positron storage ring accelerator, CESR. Most of the results are based on the analysis of 54 pb^－1 of luminosity collected at the ψ(2S) resonance, corresponding to 27 M ψ(2S) decays. We concentrate on radiative decays of ψ(2S) and J/ψ, on two-body mesonic decay of χ_cJ, on hadronic decay of the h_c, and on higher multipoles in the two-photon cascade ψ(2S)→γχ_cJ, χ_cJ→γJ/ψ.

References

[1]

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Helmut Vogel (on behalf of the CLEO collaboration). Charmonium spectroscopy and decay at CLEO-c[J]. Chinese Physics C, 2010, 34(6): 621-625. doi: 10.1088/1674-1137/34/6/002

Helmut Vogel (on behalf of the CLEO collaboration). Charmonium spectroscopy and decay at CLEO-c[J]. Chinese Physics C, 2010, 34(6): 621-625. doi: 10.1088/1674-1137/34/6/002 shu

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Received: 2010-02-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Charmonium spectroscopy and decay at CLEO-c

Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA

Received Date: 2010-02-22

Accepted Date: 1900-01-01

Available Online: 2010-06-05

Abstract:

We report recent results on charmonium spectroscopy and decay from the CLEO-c experiment at the Cornell electron-positron storage ring accelerator, CESR. Most of the results are based on the analysis of 54 pb^－1 of luminosity collected at the ψ(2S) resonance, corresponding to 27 M ψ(2S) decays. We concentrate on radiative decays of ψ(2S) and J/ψ, on two-body mesonic decay of χ_cJ, on hadronic decay of the h_c, and on higher multipoles in the two-photon cascade ψ(2S)→γχ_cJ, χ_cJ→γJ/ψ.

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Charmonium spectroscopy and decay at CLEO-c

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Charmonium spectroscopy and decay at CLEO-c

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