Scaling Properties of Identified Hadron Production in Au+Au and Cu+Cu Collisions at RHIC-PHENIX

  • Particle type dependences of hadron yield and emission patterns, especially its difference between mesons and baryons, at intermediate pT(2—5GeV/c) is one of the findings in heavy ion collisions at RHIC. A systematic study of identified hadron production was performed in Au+Au/Cu+Cu collisions at sNN=62.4/200GeV, to investigate the possible origins of this difference. In this paper, we show particle ratios, elliptic flow strengths, and their scaling properties.
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  • [1] . Adler S S et al. (PHENIX Collaboration). Phys. Rev., 2004,C69: 034910; Adler S S et al. (PHENIX Collaboration).Phys. Rev., 2004, C69: 034909; Adams J et al. (STAR Collaboration). Phys. Rev. Lett., 2004, 92: 0523022. Adare A et al. (PHENIX Collaboration). nucl-ex/06080333. Hirano T, Nara Y. Phys. Rev., 2004, C69: 0349084. Fries R J, Muller B, Nonaka C et al. Phys. Rev., 2003,C68: 044902; Hwa R C, YANG C B. Phys. Rev., 2004,C70: 024905; Greco V, Ko C M, Levai P. Phys. Rev.,2003, C68: 0349045. Abelev B I et al. (STAR Collaboration). Phys. Rev. Lett.,2006, 97: 1523016. Manly S et al. (PHOBOS Collaboration). Nucl. Phys.,2006, A774: 523
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M.Konno. Scaling Properties of Identified Hadron Production in Au+Au and Cu+Cu Collisions at RHIC-PHENIX[J]. Chinese Physics C, 2007, 31(12): 1130-1132.
M.Konno. Scaling Properties of Identified Hadron Production in Au+Au and Cu+Cu Collisions at RHIC-PHENIX[J]. Chinese Physics C, 2007, 31(12): 1130-1132. shu
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Received: 2007-07-17
Revised: 1900-01-01
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Scaling Properties of Identified Hadron Production in Au+Au and Cu+Cu Collisions at RHIC-PHENIX

    Corresponding author: M.Konno,
  • Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan

Abstract: Particle type dependences of hadron yield and emission patterns, especially its difference between mesons and baryons, at intermediate pT(2—5GeV/c) is one of the findings in heavy ion collisions at RHIC. A systematic study of identified hadron production was performed in Au+Au/Cu+Cu collisions at sNN=62.4/200GeV, to investigate the possible origins of this difference. In this paper, we show particle ratios, elliptic flow strengths, and their scaling properties.

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