Covariant Kaon Dynamics and Properties of Quasi-particle Models

WANG Yan-yan; ZHU Yu-lan; XING Yong-zhong; #; ZHENG Yu-ming

doi:10.11804/NuclPhysRev.28.04.408

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Article Navigation > Nuclear Physics Review > 2011 > 28(4): 408-415

WANG Yan-yan, ZHU Yu-lan, XING Yong-zhong, #, ZHENG Yu-ming. Covariant Kaon Dynamics and Properties of Quasi-particle Models[J]. Nuclear Physics Review, 2011, 28(4): 408-415. doi: 10.11804/NuclPhysRev.28.04.408

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WANG Yan-yan, ZHU Yu-lan, XING Yong-zhong, #, ZHENG Yu-ming. Covariant Kaon Dynamics and Properties of Quasi-particle Models[J]. Nuclear Physics Review, 2011, 28(4): 408-415. doi: 10.11804/NuclPhysRev.28.04.408

Covariant Kaon Dynamics and Properties of Quasi-particle Models

doi: 10.11804/NuclPhysRev.28.04.408

College of Physics and Information Technology, Shaanxi Normal University, Xi’an 710062, China;
Department of Physics, Tianshui Normal University, Tianshui 741000, Gansu, China; 

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-12-20

Abstract

In the present paper, we briefly review the progress in the study of kaon production in heavy\|ion collisions at intermediate and high energies and introduce the covariant kaon dynamics model. The collective flows of positively charged kaon and the lambda hyperon associated produced with kaon are studied in the framework of the dynamics. It shows that the directed differential flow of K+ meson and Λ hyperon can be reasonably reproduced in the covariant kaon dynamics model. The calculated results with soft equation of nuclear matter are in better agrement with experimental data. Meawhile, a detailed comparison of the properites of different quasi\|particle models in various transport model and the influence of nucleon’s movement on the effective mass and energy of the quasi\|particle in the covariant kaon dynamics model are discussed.
- kaon meson,
- covariant dynamics,
- quasi\,
- particle model
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Covariant Kaon Dynamics and Properties of Quasi-particle Models

doi: 10.11804/NuclPhysRev.28.04.408

College of Physics and Information Technology, Shaanxi Normal University, Xi’an 710062, China;

Department of Physics, Tianshui Normal University, Tianshui 741000, Gansu, China; 

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-12-20

Key words:

Abstract: In the present paper, we briefly review the progress in the study of kaon production in heavy\|ion collisions at intermediate and high energies and introduce the covariant kaon dynamics model. The collective flows of positively charged kaon and the lambda hyperon associated produced with kaon are studied in the framework of the dynamics. It shows that the directed differential flow of K+ meson and Λ hyperon can be reasonably reproduced in the covariant kaon dynamics model. The calculated results with soft equation of nuclear matter are in better agrement with experimental data. Meawhile, a detailed comparison of the properites of different quasi\|particle models in various transport model and the influence of nucleon’s movement on the effective mass and energy of the quasi\|particle in the covariant kaon dynamics model are discussed.

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