{psi}{prime} and J/{psi} suppression in high-energy nucleon-nucleus and nucleus-nucleus collisions

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The observed features of {psi}` to J/{psi} suppression in pA and nucleus-nucleus collisions can be explained in terms of a two-component absorption model. For the hard component of the absorption due to the interaction of the produced c{bar c} systems with baryons at high relative energies, the absorption cross sections are insensitive to the radii of the c{bar c} systems, as described by the Additive Quark Model. For the soft component due to the low energy c{bar c} interactions with soft particles produced by other baryon-baryon collisions, the absorption cross sections are greater for {psi}` than for J/{psi}, because the ... continued below

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5 p.

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Wong, Cheuk-Yin December 31, 1995.

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Description

The observed features of {psi}` to J/{psi} suppression in pA and nucleus-nucleus collisions can be explained in terms of a two-component absorption model. For the hard component of the absorption due to the interaction of the produced c{bar c} systems with baryons at high relative energies, the absorption cross sections are insensitive to the radii of the c{bar c} systems, as described by the Additive Quark Model. For the soft component due to the low energy c{bar c} interactions with soft particles produced by other baryon-baryon collisions, the absorption cross sections are greater for {psi}` than for J/{psi}, because the breakup threshold for {psi}` is much smaller than for {psi}.

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5 p.

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INIS; OSTI as DE96005982

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  • 8. international nuclear physics conference, Beijing (China), 21-26 Aug 1995

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  • Other: DE96005982
  • Report No.: CONF-950802--5
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 192477
  • Archival Resource Key: ark:/67531/metadc670141

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 22, 2016, 8:34 p.m.

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Wong, Cheuk-Yin. {psi}{prime} and J/{psi} suppression in high-energy nucleon-nucleus and nucleus-nucleus collisions, article, December 31, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc670141/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.