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https://hdl.handle.net/2440/57774
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Type: | Journal article |
Title: | Kaon Condensation and Lambda-Nucleon Loop in the Relativistic Mean-Field Approach |
Author: | Maruyama, T. Muto, T. Tatsumi, T. Tsushima, K. Thomas, A. |
Citation: | Nuclear Physics A, 2005; 760(3-4):319-345 |
Publisher: | Elsevier Science BV |
Issue Date: | 2005 |
ISSN: | 0375-9474 1873-1554 |
Statement of Responsibility: | Tomoyuki Maruyama, Takumi Muto, Toshitaka Tatsumi, Kazuo Tsushima and Anthony W. Thomas |
Abstract: | The possibility of kaon condensation in high-density symmetric nuclear matter is investigated including both s- and p-wave kaon-baryon interactions within the relativistic mean-field (RMF) theory. Above a certain density, we have a collective K̄s state carrying the same quantum numbers as the antikaon. The appearance of the K̄s state is caused by the time component of the axial-vector interaction between kaons and baryons. It is shown that the system becomes unstable with respect to condensation of K - K̄s pairs. We consider how the effective baryon masses affect the kaon self-energy coming from the time component of the axial-vector interaction. Also, the role of the spatial component of the axial-vector interaction on the possible existence of the collective kaonic states is discussed in connection with Λ-mixing effects in the ground state of high-density matter. Implications of K K̄s condensation for high-energy heavy-ion collisions are briefly mentioned. © 2005 Elsevier B.V. All rights reserved. |
Description: | Submitted to Cornell University’s online archive www.arXiv.org in 2005 by Tomoyuki Maruyama. Post-print sourced from www.arxiv.org |
DOI: | 10.1016/j.nuclphysa.2005.06.008 |
Published version: | http://arxiv.org/abs/nucl-th/0502079 |
Appears in Collections: | Aurora harvest Chemistry and Physics publications |
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