Charmonium spectroscopy and decay at CLEO-c

  • 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 χcJ, on hadronic decay of the hc, and on higher multipoles in the two-photon cascade ψ(2S)→γχcJ, χcJ→γJ/ψ.

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  • [1] . Asner D M et al (CLEO collaboration). Phys. Rev. D, 2009,79: 0720072. Naik P et al (CLEO collaboration). Phys. Rev. D, 2008,78: 031101(R)3. Close F E, ZHAO Q. Phys. Rev. D, 2005, 71: 094022;ZHAO Q, Phys. Rev. D, 2005, 72: 0740014. Dobbs S et al (CLEO collaboration). Phys. Rev. Lett.,2008, 101: 1820035. Godfrey S, Rosner J L. Phys. Rev. D, 2002, 66: 0140126. Adams G S et al (CLEO collaboration). Phys. Rev. D, 2009,80: 051106(R)7. Besson D et al (CLEO collaboration). Phys. Rev. D, 2008,78: 0320128. Libby J et al (CLEO collaboration). Phys. Rev. D, 2009,80: 0720029. Besson D et al (CLEO collaboration). Phys. Rev. D, 2006,74: 01200310. Dudek J J, Edwards R G, Richards D G. Phys. Rev. D,2006, 73: 07450711. Mitchell R E et al (CLEO collaboration). Phys. Rev. Lett.,2009, 102: 01180112. Brambilla N, JIA Y, Vairo A. Phys. Rev. D, 2006, 73:05400513. Cronin-Hennessy D et al (CLEO collaboration).arXiv:0910.1234, submitted to Phys. Rev. D14. Pedlar T K et al (CLEO collaboration). Phys. Rev. D, 2009,79: 111101(R)15. Bennett J V et al (CLEO collaboration). Phys. Rev. Lett.,2008, 101: 15180116. GAO Y J, ZHANG Y J, CHAO K T. Chin. Phys. Lett.,2006, 23: 237617. Ecklund K M et al (CLEO collaboration). Phys. Rev. D,2008, 78: 09150118. Adams G S et al (CLEO collaboration). Phys. Rev. Lett.,2008, 101: 10180119. Karl G, Meshkov S, Rosner J L. Phys. Rev. Lett., 1980,45: 215-218; Sebastian K J, Grotch H, Ridener F L.Phys. Rev. D, 1992, 45: 3163-317220. Artuso M et al (CLEO collaboration). Phys. Rev. D, 2009,80: 112003
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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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Charmonium spectroscopy and decay at CLEO-c

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

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 χcJ, on hadronic decay of the hc, and on higher multipoles in the two-photon cascade ψ(2S)→γχcJ, χcJ→γJ/ψ.

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