High pT inclusive charged hadron spectra from Au+Au collisions at {radical}(s{sub NN}) = 200 Gev

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The STAR Collaboration presents new measurements of inclusive charged hadron distributions for p{sub T} < 12 GeV/c from Au+Au collisions at {radical}(s{sub NN}) = 200GeV. Charged hadron suppression at high p{sub T} is similar in shape and magnitude at all centralities to that observed previously at {radical}(s{sub NN}) = 130 GeV for p{sub T} < 6 GeV/c. The ratio of spectra from central and peripheral Au+Au collisions shows that hadron suppression is approximately constant within 6 < p{sub T} < 12 GeV/c. The ratios of charged hadron spectra at the two beam energies show a 15-20 percent increase in yield ... continued below

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Klay, Jennifer L. & Collaboration, STAR October 17, 2002.

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The STAR Collaboration presents new measurements of inclusive charged hadron distributions for p{sub T} < 12 GeV/c from Au+Au collisions at {radical}(s{sub NN}) = 200GeV. Charged hadron suppression at high p{sub T} is similar in shape and magnitude at all centralities to that observed previously at {radical}(s{sub NN}) = 130 GeV for p{sub T} < 6 GeV/c. The ratio of spectra from central and peripheral Au+Au collisions shows that hadron suppression is approximately constant within 6 < p{sub T} < 12 GeV/c. The ratios of charged hadron spectra at the two beam energies show a 15-20 percent increase in yield at low p{sub T}. At high p{sub T}, the ratios show a larger increase that agrees well with pQCD calculations of the {radical}(s{sub NN}) dependence of particle production in Au+Au collisions.

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INIS; OSTI as DE00805164

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  • The XVI International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Quark Matter 2002, Nantes (FR), 07/18/2002--07/24/2002

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  • Report No.: LBNL--51668
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 805164
  • Archival Resource Key: ark:/67531/metadc735070

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  • October 17, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 6:17 p.m.

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Klay, Jennifer L. & Collaboration, STAR. High pT inclusive charged hadron spectra from Au+Au collisions at {radical}(s{sub NN}) = 200 Gev, article, October 17, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc735070/: accessed October 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.