Kaon and Antikaon Production in Heavy Ion Collisions at 1.5 AGeV

Abstract

At the Kaon Spectrometer KaoS at SIS, GSI the production of kaons and antikaons in heavy ion reactions at a beam energy of 1.5 AGeV has been measured for the collision systems Ni+Ni and Au+Au. The K-/K+ ratio is found to be constant for both systems and as a function of impact parameter but the slopes of K+ and K- spectra differ for all impact parameters. Furthermore the respective polar angle distributions will be presented as a function of centrality.

4 pages, 4 figures, SQM2001 in Frankfurt, Sept.2001, submitted to Journal of Physics G

References in corpus (13)

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• Chemical Equilibration in Pb+Pb Collisions at the SPS
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• Influence of Impact Parameter on Thermal Description of Relativistic Heavy Ion Collisions at GSI/SIS
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• First Measurement of Antikaon Phase-Space Distributions in Nucleus-Nucleus Collisions at Subthreshold Beam Energies
• Statistical Model Description of $K^{+}$ and $K^{-}$ Production between 1 - 10 AGeV
• Direct comparison of phase-space distributions of K- and K+ mesons in heavy-ion collisions at SIS energies - evidence for in-medium modifications of kaons ?
• Onset of Nuclear Matter Expansion in Au+Au Collisions
• Review of SIS Experimental Results on Strangeness

Cited by in corpus (20)

• Strangeness dynamics and transverse pressure in relativistic nucleus-nucleus collisions
• Properties of D-mesons in nuclear matter within a self-consistent coupled-channel approach
• Mass modification of D-meson in hot hadronic matter
• Antikaon production in A+A collisions at SIS energies within an off-shell G-matrix approach
• Production of K+ and of K- Mesons in Heavy-Ion Collisions from 0.6 to 2.0 AGeV Incident Energy
• What determines the $K^{-}$ multiplicity at energies around 1-2 AGeV?
• Kaons and antikaons in hot and dense hadronic matter
• D mesons and charmonium states in asymmetric nuclear matter at finite temperatures
• D-mesons and charmonium states in hot isospin asymmetric strange hadronic matter
• Pseudoscalars Mesons in Hot, Dense Matter
• D-mesons in asymmetric nuclear matter
• Evidence for nonhadronic degrees of freedom in the transverse mass spectra of kaons from relativistic nucleus-nucleus collisions?
• Isospin dependent kaon and antikaon optical potentials in dense hadronic matter
• In-medium effects in strangeness production in heavy-ion collisions at (sub-)threshold energies
• Kaons and antikaons in asymmetric nuclear matter
• Kaon properties in (proto)neutron stars
• Anti-strange meson-baryon interaction in hot and dense nuclear matter
• $K^{-}/K^{+}$ ratio in heavy-ion collisions at GSI with an antikaon self-energy in hot and dense matter
• $\varphi$ meson mass and decay width in strange hadronic matter
• Strangeness dynamics in relativistic nucleus-nucleus collision