Strangeness production in heavy ion collisions at finite baryon number density
نویسندگان
چکیده
منابع مشابه
Strangeness Production in Relativistic Heavy Ion Collisions
The aim of the experimental program of relativistic heavy ion collisions is to the study nuclear matter under extreme conditions of temperature and energy density. In order to achieve this goal, is necessary to understand the dynamics of such collisions. The most striking feature of relativistic heavy ion collisions is the copious production of particles of a great variety of species. The compr...
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The rapidity distribution of Λ and Λ̄ produced in nucleus-nucleus collisions at CERN energies is studied in the framework of an independent string model with quark-antiquark as well as diquark-antidiquark pairs in the nucleon sea. It is shown that, besides the Λ-Λ̄ pair production resulting from the fragmentation of sea diquarks, final state interactions of co-moving secondaries π +N → K + Λ and ...
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Kaon production cross sections in nucleon-nucleon, nucleon-delta and delta-delta interactions are studied in a boson exchange model. For the latter two interactions, the exchanged pion can be on-mass shell, only contributions due to a virtual pion are included via the Peierls method by taking into account the finite delta width. With these cross sections and also those for pion-baryon interacti...
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The stopping behaviour of baryons in massive heavy ion collisions ( √ s ≫ 10AGeV) is investigated within different microscopic models. At SPS-energies the predictions range from full stopping to virtually total transparency. Experimental data are indicating strong stopping. The initial baryo-chemical potentials and temperatures at collider energies and their impact on the formation probability ...
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We review the experimental results on strangeness and antibaryon production in heavy-ion collisions at the AGS and SPS. We argue that the observed enhancement in kaon production at the AGS is consistent with hadronic description, while the multistrange baryon and antibaryon results at the SPS may need physics beyond hadronic nature. We call the need for measurements of low energy antilambda-pro...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1990
ISSN: 0370-2693
DOI: 10.1016/0370-2693(90)91604-a