Consequences of covariant kaon dynamics in heavy ion collisions

Journal Publication ResearchOnline@JCU
Fuchs, C.;Kosov, D.S.;Faessler, Amand;Wang, Z.S.;Waindzoch, T.
Daniel Kosov
Abstract

The influence of the chiral mean field on the kaon dynamics in heavy ion reactions is investigated. Inside the nuclear medium the kaons are described as dressed quasi-particles carrying effective masses and momenta. A momentum dependent part of the interaction which resembles a Lorentz force originates from spatial components of the vector field and provides an important contribution to the in-medium kaon dynamics. This contribution is found to counterbalance the influence of the vector potential on the K⁺ in-plane flow to a strong extent. Thus it appears to be difficult to restrict the in-medium potential from the analysis of the corresponding transverse flow.

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434

ISBN/ISSN

1873-2445

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3-4

Pages Count

6

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Publisher

Elsevier

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DOI

10.1016/S0370-2693(98)00792-8