Shadowing effects on the nuclear suppression factor, R sub dAu, in d +Au interactions

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Description

We explore how nuclear modifications to the nucleon parton distributions affect production of high transverse momentum hadrons in deuteron-nucleus collisions. We calculate the charged hadron spectra to leading order using standard fragmentation functions and shadowing parameterizations. We obtain the d+Au to pp ratio both in minimum bias collisions and as a function of centrality. The minimum bias results agree reasonably well with the BRAHMS data while the calculated centrality dependence underestimates the data and is a stronger function of p{sub T} than the data indicate.

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16 pages

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Vogt, R. May 5, 2004.

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Description

We explore how nuclear modifications to the nucleon parton distributions affect production of high transverse momentum hadrons in deuteron-nucleus collisions. We calculate the charged hadron spectra to leading order using standard fragmentation functions and shadowing parameterizations. We obtain the d+Au to pp ratio both in minimum bias collisions and as a function of centrality. The minimum bias results agree reasonably well with the BRAHMS data while the calculated centrality dependence underestimates the data and is a stronger function of p{sub T} than the data indicate.

Physical Description

16 pages

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INIS; OSTI as DE00840386

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  • Journal Name: Physical Review C; Journal Volume: 70; Other Information: Submitted to Physical Review C: Volume 70; Journal Publication Date: 2004

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  • Report No.: LBNL--55009
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 840386
  • Archival Resource Key: ark:/67531/metadc783122

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  • May 5, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Sept. 1, 2016, 7:01 p.m.

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Vogt, R. Shadowing effects on the nuclear suppression factor, R sub dAu, in d +Au interactions, article, May 5, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc783122/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.