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Evidence for a Soft Nuclear Equation-of-State from Kaon Production in Heavy Ion Collisions

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arxiv nucl-ex/0011001 v1 pith:LOPBML7I submitted 2000-11-01 nucl-ex

Evidence for a Soft Nuclear Equation-of-State from Kaon Production in Heavy Ion Collisions

C. Sturm , I. Boettcher , M. Debowski , A. Foerster , E. Grosse , P. Koczon , B. Kohlmeyer , F. Laue
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M. Mang L. Naumann H. Oeschler F. Puehlhofer E. Schwab P. Senger Y. Shin J. Speer H. Stroebele G. Surowka F. Uhlig A. Wagner W. Walus
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keywords collisionsbeamequation-of-statekaonmesonnuclearproductionratio
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The production of pions and kaons has been measured in Au+Au collisions at beam energies from 0.6 to 1.5 AGeV with the Kaon Spectrometer at SIS/GSI. The K+ meson multiplicity per nucleon is enhanced in Au+Au collisions by factors up to 6 relative to C+C reactions whereas the corresponding pion ratio is reduced. The ratio of the K+ meson excitation functions for Au+Au and C+C collisions increases with decreasing beam energy. This behavior is expected for a soft nuclear equation-of-state.

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Cited by 1 Pith paper

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  1. Bayesian analysis of properties of nuclear matter with the FOPI experimental data

    nucl-th 2025-09 conditional novelty 6.0

    Bayesian fits to FOPI Au+Au flow and stopping data yield m*/m0 around 0.78-0.88 and F around 0.75-0.88, while K0 remains unconstrained.