The Color Screening Effect on Heavy Quarkonia

DONG Yu-Bing; YU You-Wen; WANG Ying-Cai

Chinese Physics C> 1993, Vol. 17> Issue(5) : 472-475

The Color Screening Effect on Heavy Quarkonia

Institute of High Energy Physics,Acadermia Sinica,Beijing 100039

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Abstract：
In this paper,by taking the confining potential with the color screening effect as a color confinement between quark and antiquark,the effect on heavy quarkonia (cc and bb) is studied.It shows that the effect may give different predictions for orbital angular momentum of high excited energy levels of ψ(cc),and make improvement in the widths of leptonic decay mode.

References

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E. Laerman et a1.4 Phys. Lett.，B173(1986)，437.[2]Dong Yu-bing and Yu You-wen, IHEP-TH-92-27;Zhang Zong-ye et al.，IHEP-TH-92-28.[3]S. Ono and F. Schoberl, Phys. Lett.，B118(1982)，419.[4]A. Barchielli et al.，Nuovo Cimento, 103A(1990)，59; Yu-qi Chen and Yu-ping Kuang, Phys. Rev.，D46(1992)，1165. Y. B. Ding, J. He, S. O. Cai, D. H. Qin and K. T. Chao, in "Particles and Nuclear Physics", Proceedings of the International Symposium, Beijing, China, 1985. edited by N. Hu and C. -S. Wu (world Scientific, Singapore, 1987)，P88.[5]Particle Data Group, Phys. Rev.，D45 No 11一I (1992)，1.

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DONG Yu-Bing, YU You-Wen and WANG Ying-Cai. The Color Screening Effect on Heavy Quarkonia[J]. Chinese Physics C, 1993, 17(5): 472-475.

DONG Yu-Bing, YU You-Wen and WANG Ying-Cai. The Color Screening Effect on Heavy Quarkonia[J]. Chinese Physics C, 1993, 17(5): 472-475. shu

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Received: 1900-01-01
Revised: 1900-01-01

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