On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions

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dc.contributor.authorCleymans, J
dc.contributor.authorForster, A
dc.contributor.authorOeschler, H
dc.contributor.authorRedlich, K
dc.contributor.authorUhlig, F
dc.date.accessioned2018-01-17T05:53:17Z
dc.date.available2018-01-17T05:53:17Z
dc.date.issued2005
dc.date.updated2017-11-15T09:27:35Z
dc.description.abstractThe strangeness-exchange reaction π + Y ↔ K− + N is shown to be the dynamical origin of chemical saturation and equilibration for K− production in heavy-ion collisions up to beam energies of 10 AGeV. The hyperons occurring in this process are produced in association with K+ in baryon–baryon and meson–baryon interactions. This connection is demonstrated by the ratio of K−/K+ which does not vary with centrality and shows a linear correlation with the yield of pions per participant. At incident energies above AGS this correlation no longer holds due to the change in the production mechanism of kaons.
dc.identifierhttp://dx.doi.org/10.1016/j.physletb.2004.09.078
dc.identifier.apacitationCleymans, J., Forster, A., Oeschler, H., Redlich, K., & Uhlig, F. (2005). On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions. <i>Physics Letters B</i>, http://hdl.handle.net/11427/26830en_ZA
dc.identifier.chicagocitationCleymans, J, A Forster, H Oeschler, K Redlich, and F Uhlig "On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions." <i>Physics Letters B</i> (2005) http://hdl.handle.net/11427/26830en_ZA
dc.identifier.citationCleymans, J., Förster, A., Oeschler, H., Redlich, K., & Uhlig, F. (2004). On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions. Physics Letters B, 603(3), 146-151.
dc.identifier.ris TY - Journal Article AU - Cleymans, J AU - Forster, A AU - Oeschler, H AU - Redlich, K AU - Uhlig, F AB - The strangeness-exchange reaction π + Y ↔ K− + N is shown to be the dynamical origin of chemical saturation and equilibration for K− production in heavy-ion collisions up to beam energies of 10 AGeV. The hyperons occurring in this process are produced in association with K+ in baryon–baryon and meson–baryon interactions. This connection is demonstrated by the ratio of K−/K+ which does not vary with centrality and shows a linear correlation with the yield of pions per participant. At incident energies above AGS this correlation no longer holds due to the change in the production mechanism of kaons. DA - 2005 DB - OpenUCT DP - University of Cape Town J1 - Physics Letters B LK - https://open.uct.ac.za PB - University of Cape Town PY - 2005 T1 - On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions TI - On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions UR - http://hdl.handle.net/11427/26830 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/26830
dc.identifier.vancouvercitationCleymans J, Forster A, Oeschler H, Redlich K, Uhlig F. On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions. Physics Letters B. 2005; http://hdl.handle.net/11427/26830.en_ZA
dc.language.isoeng
dc.publisher.departmentDepartment of Physicsen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.sourcePhysics Letters B
dc.source.urihttps://www.journals.elsevier.com/physics-letters-b/
dc.titleOn the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions
dc.typeJournal Article
uct.type.filetypeText
uct.type.filetypeImage
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