Influence of nucleon motion on the effective mass and energy of kaon in dense nuclear matter

Zheng Yu-Ming; Wang Yan-Yan; Zhu Yu-Lan; Xing Yong-Zhong

doi:10.7498/aps.60.012501

Abstract

In the present paper, the effective mass and energy of kaon in dense and hot nuclear matter is studied. Our special attention is paid to the comparison of various definitions of quasi-particle model of kaons used in transport theories. The effective mass of kaon defined in popular mean field theory increases with increasing of the density of nuclear matter, while the quantity used in covariant kaon dynamics decreases with the density increasing. The properties of mean field acting on kaon by hot and dense nuclear matter depends not only on the form of quasiparticle model of kaons, but on the motion of nucleons around it.

Keywords:

Authors and contacts

(1)College of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China; (2)Department of Physics, Tianshui Normal University, Tianshui 741000, China;China Institute of Atomic Energy, Beijing 102413,China; (3)Department of Physics, Tianshui Normal University, Tianshui 741000, China;College of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China

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Cited By

[1]	Buras A J, arXiv:hep-ph/0307203 v1
[2]	Brown G E, Rho M 1996 Phys. Rep. 269 333
[3]	Klimt S, Lutz M, Weise W 1990 Phys. Lett. B 249 386
[4]	Fuchs C, Faessler A, WANG Z S, GROSS B T 1999 Prog. Part. and Nucl. Phys. 42 197
[5]	Brown G E, Rho M, arXiv:hep-ph/0103102 v4
[6]	Kaplan D B, Nelson A E 1986 Phys. Lett. B 175 57
[7]	Nelson A E, Kaplan D B 1987 Phys. Lett. B 192 193
[8]	Aichelin J, Ko C M 1985 Phys. Rev. Lett. 55 2661
[9]	Fang X S, Ko C M, Li G Q, Zheng Y M 1994 Nucl. Phys. A 575 766
[10]	Hartnack C, arXiv:nucl-th/0507002 v1.
[11]	Brown G E, Rho M 1996 Phys. Rep. 269 333
[12]	Brown G E, Lee C H, Rho M, Thorsson V 1994 Nucl. Phys. A 567 937
[13]	Ko C M 2001 J. Phys. G 27 327
[14]	Li G Q, Ko C M, Li B A 1995 Phys. Rev. Lett. 74 235
[15]	Li G Q, Ko C M 1995 Nucl. Phys. A 594 460
[16]	Fuchs C, Kosov D S, Faessler A, Wang Z S, Waindzoch T 1998 Phys. Lett. B 434 245 Fuchs C, arXiv:nucl-th/0507017 v2

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Vol. 60, Issue 1 - 2011-01-05

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