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Kaon production in heavy ion reactions at intermediate energies

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arxiv nucl-th/0507017 v2 pith:UZOFKWKY submitted 2005-07-07 nucl-th

classification nucl-th
keywords productionkaonheavynuclearreactionsbelowenergiesintermediate
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The article reviews the physics related to kaon and antikaon production in heavy ion reactions at intermediate energies. Chiral dynamics predicts substantial modifications of the kaon properties in a dense nuclear environment. The status of the theoretical predictions as well as experimental evidences for medium effects such as repulsive/attractive mass shifts for $K^+/K^-$ are reviewed. In the vicinity of the thresholds, and even more pronounced below threshold, the production of strangeness is a highly collective process. Starting from elementary reaction channels the phenomenology of $K^+$ and $K^-$ production, i.e. freeze-out densities, time scales etc. as derived from experiment and theoretical transport calculations is presented. Below threshold kaon production shows a high sensitivity on the nuclear compression reached in heavy ion reactions. This allows to put constraints on the nuclear equation-of-state which are finally discussed.

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Cited by 5 Pith papers

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