Hadron Spectroscopy and Charmonium Decays from BES and CLEOc

YUAN Chang-Zheng

Chinese Physics C> 2006, Vol. 30> Issue(6) : 488-496

Hadron Spectroscopy and Charmonium Decays from BES and CLEOc

YUAN Chang-Zheng ^,

Institute of High Energy Physics, CAS, Beijing 100049, China

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Recent results from BES and CLEOc experiments on hadron spectroscopy and charmonium decays using J/ψ, ψ′ and ψ′′ data samples collected in e⁺e^－ annihilation are reviewed,including the study of the scalar particles in J/ψ radiative and hadronic decays, as well as in ψ′ and χ_c0 hadronic decays, and the study of the “ρπ puzzle”in J/ψ,ψ′, and ψ′′ decays. The new results on the light scalars and the new information on the hadronic decays of the ortho-charmonium states shed light on the understanding of QCD.

References

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YUAN Chang-Zheng. Hadron Spectroscopy and Charmonium Decays from BES and CLEOc[J]. Chinese Physics C, 2006, 30(6): 488-496.

YUAN Chang-Zheng. Hadron Spectroscopy and Charmonium Decays from BES and CLEOc[J]. Chinese Physics C, 2006, 30(6): 488-496. shu

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Received: 2006-01-03
Revised: 2006-01-12

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沈阳化工大学材料科学与工程学院沈阳 110142

Hadron Spectroscopy and Charmonium Decays from BES and CLEOc

Corresponding author: YUAN Chang-Zheng,

Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2006-01-03

Accepted Date: 2006-01-12

Available Online: 2006-06-05

Abstract: Recent results from BES and CLEOc experiments on hadron spectroscopy and charmonium decays using J/ψ, ψ′ and ψ′′ data samples collected in e⁺e^－ annihilation are reviewed,including the study of the scalar particles in J/ψ radiative and hadronic decays, as well as in ψ′ and χ_c0 hadronic decays, and the study of the “ρπ puzzle”in J/ψ,ψ′, and ψ′′ decays. The new results on the light scalars and the new information on the hadronic decays of the ortho-charmonium states shed light on the understanding of QCD.

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Hadron Spectroscopy and Charmonium Decays from BES and CLEOc

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