Hadronic spectra in Au+Au reactions at 11.6 A{center_dot}GeV/c: Rapidity and m{sub t} distributions

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In central Au+Au collisions, the rapidity distribution of measured protons integrated over {ital m{sub t}} indicates almost complete stopping, hence high baryon density. For a given rapidity, low mt enhancement has been observed for {pi}{sup -} production over that of {pi}{sup +}. The Coulomb interaction with the co-moving medium has been invoked to explain the difference. The inverse slope parameters of the {ital m{sub t}} spectra for protons and deuterons increases from peripheral to central events, while the parameter for pions stays the same. This may indicate that a radial expansion follows the high density stage of the reaction.

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9 p.

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Chen, Ziping & Collaboration, E866 December 31, 1996.

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Description

In central Au+Au collisions, the rapidity distribution of measured protons integrated over {ital m{sub t}} indicates almost complete stopping, hence high baryon density. For a given rapidity, low mt enhancement has been observed for {pi}{sup -} production over that of {pi}{sup +}. The Coulomb interaction with the co-moving medium has been invoked to explain the difference. The inverse slope parameters of the {ital m{sub t}} spectra for protons and deuterons increases from peripheral to central events, while the parameter for pions stays the same. This may indicate that a radial expansion follows the high density stage of the reaction.

Physical Description

9 p.

Notes

INIS; OSTI as DE97001540

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  • HIPAGS `96: heavy ion physics at the alternating gradient synchrotron, Detroit, MI (United States), 22-24 Aug 1996

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  • Other: DE97001540
  • Report No.: BNL--63620
  • Report No.: CONF-9608172--7
  • Grant Number: AC03-89ER51114;AC05-96OR22464;W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 442210
  • Archival Resource Key: ark:/67531/metadc681634

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 10, 2015, 12:28 p.m.

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Chen, Ziping & Collaboration, E866. Hadronic spectra in Au+Au reactions at 11.6 A{center_dot}GeV/c: Rapidity and m{sub t} distributions, article, December 31, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc681634/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.