Chin. Phys. Lett.  1999, Vol. 16 Issue (11): 793-795    DOI:
Original Articles |
Effective Mass of ρ-Meson in Medium
WANG Ping;SU Ru-keng
Department of Physics, Fudan University, Shanghai 200433
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WANG Ping, SU Ru-keng 1999 Chin. Phys. Lett. 16 793-795
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Abstract The effective mass of ρ-meson in medium has been calculated for the Welecka, Bonn potential, Zimanyi-Moszkowski, quark-meson coupling and vector-tensor coupling models, respectively. The vacuum fluctuation effects are taken into account. It is shown that the formula of nucleon effective mass suggested by Brown-Rho scaling can get a best fit with experiments provided the adjusted parameter y equals to 0.10 and 0.19 for strong and weak tensor coupling, respectively.
Keywords: 14.40.Cs      24.10.Jv      13.75.Cs     
Published: 01 November 1999
PACS:  14.40.Cs  
  24.10.Jv (Relativistic models)  
  13.75.Cs  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I11/0793
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SU Ru-keng
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