Parameter Effect On Kaon Effective Mass

LI Xi-Guo; GAO Yuan; GUO Yan-Rui; ZUO Wei

Chinese Physics C> 2004, Vol. 28> Issue(9) : 973-976

Parameter Effect On Kaon Effective Mass

Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Collisions,Lanzhou 730000,China2 Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China

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Abstract：
The linear and nonlinear Walecka model has been used to investigate the relation between the scalar density ρ_S and the vector ρ_B in the relativistic mean-field approximation and the calculated results of the relation are presented.By using the results,we analyse the parameter effects on the effective masses of kaon and antikaon with different models.The effective masses of kaon and antikaon in asymmetric nuclear matter are also studied by using different models with different parameter sets.The difference of the effective masses between in symmetric and asymmetry nuclear matter is discussed.

References

[1]

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LI Xi-Guo, GAO Yuan, GUO Yan-Rui and ZUO Wei. Parameter Effect On Kaon Effective Mass[J]. Chinese Physics C, 2004, 28(9): 973-976.

LI Xi-Guo, GAO Yuan, GUO Yan-Rui and ZUO Wei. Parameter Effect On Kaon Effective Mass[J]. Chinese Physics C, 2004, 28(9): 973-976. shu

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Received: 2003-12-30
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Parameter Effect On Kaon Effective Mass

Corresponding author: LI Xi-Guo,

Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Collisions,Lanzhou 730000,China2 Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China

Received Date: 2003-12-30
Accepted Date: 1900-01-01
Available Online: 2004-09-05

Abstract: The linear and nonlinear Walecka model has been used to investigate the relation between the scalar density ρ_S and the vector ρ_B in the relativistic mean-field approximation and the calculated results of the relation are presented.By using the results,we analyse the parameter effects on the effective masses of kaon and antikaon with different models.The effective masses of kaon and antikaon in asymmetric nuclear matter are also studied by using different models with different parameter sets.The difference of the effective masses between in symmetric and asymmetry nuclear matter is discussed.