| Original Articles |
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Screened Q-Q Potential and Spectrum of Heavy Quarkonium |
| DING Yibing1,3,4;CHAO Kuangta2,3,4;QIN Danhua2,4 |
| 1Department of Physics, Graduate School, Academia Sinica, Beijing 100039
2Department of Physics, Peking University, Beijing 100871
3CCAST (World Laboratory), Beijing 100080
4Institute of Theoretical Physics, Academia Sinica, Beijing 100080
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| Cite this article: |
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DING Yibing, CHAO Kuangta, QIN Danhua 1993 Chin. Phys. Lett. 10 460-463 |
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Abstract Using a Q-Q poteiitia1 with the color screening effect due to the creation of light quark pairs, the spectra of bb and cc systems are calculated. An improved fit for the masses of the lightly excited states can be obtained. In particular, the ψ(4160) might be assigned as the 4.5 cc state.
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| Keywords:
14.40.Jz
12.40.Qq
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Published: 01 August 1993
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