Centrality and collision system dependence of antiproton production from p+A to Au+Au collisions at AGS energies

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Antiproton production in heavy ion collisions reflects subtle interplay between initial production and absorption by nucleons. Because the AGS energies (10--20 A{center_dot}GeV/c) are close to the antiproton production threshold, antiproton may be sensitive to cooperative processes such as QGP and hadronic multi-step processes. On the other hand, antiproton has been proposed as a probe of baryon density due to large N{anti N} annihilation cross sections. Cascade models predict the maximum baryon density reaches about 10 times the normal nucleus density in central Au+Au collisions, where the strong antiproton absorption is expected. In this paper, the authors show systematic studies of ... continued below

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6 p.

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Sako, H.; Ahle, L.; Akiba, Y. & Collaboration, E802 December 1997.

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Antiproton production in heavy ion collisions reflects subtle interplay between initial production and absorption by nucleons. Because the AGS energies (10--20 A{center_dot}GeV/c) are close to the antiproton production threshold, antiproton may be sensitive to cooperative processes such as QGP and hadronic multi-step processes. On the other hand, antiproton has been proposed as a probe of baryon density due to large N{anti N} annihilation cross sections. Cascade models predict the maximum baryon density reaches about 10 times the normal nucleus density in central Au+Au collisions, where the strong antiproton absorption is expected. In this paper, the authors show systematic studies of antiproton production from p+A to Au+Au collisions.

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6 p.

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INIS; OSTI as DE98004992

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  • Quark matter `97, Tsukuba (Japan), 1-5 Dec 1997

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  • Other: DE98004992
  • Report No.: BNL--65375
  • Report No.: CONF-971231--
  • Grant Number: FG02-86ER40281;AC02-98CH10886;AC02-76ER03069;FG03-86ER40271;W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 645598
  • Archival Resource Key: ark:/67531/metadc691478

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  • December 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • March 16, 2018, 10:58 a.m.

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Sako, H.; Ahle, L.; Akiba, Y. & Collaboration, E802. Centrality and collision system dependence of antiproton production from p+A to Au+Au collisions at AGS energies, article, December 1997; New York, New York. (digital.library.unt.edu/ark:/67531/metadc691478/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.