Strangeness production in heavy ion collisions: What have we learned with the energy increase from SPS to RHIC

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A review of strange particle production in heavy ion collisions at ultrarelativistic energies is presented. The particle yields and ratios from SPS and RHIC are discussed in view of the newest developments in understanding collision dynamics, and in view of their role in the search for a quark gluon plasma. A strangeness enhancement, most notably observed in CERN Pb-beam results, shows a remarkable two fold global enhancement with a much larger effect seen in the case of multistrange baryons. Hadronic models did fail to explain this pattern. At RHIC energy strangeness assumes a different role, since temperatures are higher and ... continued below

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15 pages

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Odyniec, Grazyna August 23, 2002.

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A review of strange particle production in heavy ion collisions at ultrarelativistic energies is presented. The particle yields and ratios from SPS and RHIC are discussed in view of the newest developments in understanding collision dynamics, and in view of their role in the search for a quark gluon plasma. A strangeness enhancement, most notably observed in CERN Pb-beam results, shows a remarkable two fold global enhancement with a much larger effect seen in the case of multistrange baryons. Hadronic models did fail to explain this pattern. At RHIC energy strangeness assumes a different role, since temperatures are higher and the central rapidity region almost baryon-free. An intriguing question: ''Did RHIC change the way we understand strangeness production in heavy ion collisions ?'' is discussed.

Physical Description

15 pages

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INIS; OSTI as DE00810532

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  • 4th Catania Relativistic Ion Studies (CRIS 2002) on Exotic Clustering, Catania (IT), 06/10/2002--06/14/2002

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  • Report No.: LBNL--51383
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 810532
  • Archival Resource Key: ark:/67531/metadc736984

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 23, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • Sept. 1, 2016, 7:01 p.m.

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Odyniec, Grazyna. Strangeness production in heavy ion collisions: What have we learned with the energy increase from SPS to RHIC, article, August 23, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc736984/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.