π-J/ψ correlation and elliptic flow parameter v2 of charmed mesons at RHIC energy

  • We study the correlation between the trigger π and the associated J/ψ on near and away sides in Au+Au collisions at √sNN=200 GeV. In the region of trigger momentum pt>4 GeV/c, the π spectrum is composed of thermal-shower and shower-shower recombinations in the frame work of the recombination model. We consider the azimuthal anisotropy in the quenched hard parton distribution and then calculate the elliptic flow parameter v2 of charmed mesons (J/ψ, D0 and Ds) for different centralities.
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  • [1] Adler S S et al. (PHENIX collaboration). Phys. Rev. Lett., 2002, 88: 0223012 Adams J et al. (STAR collaboration). Phys. Rev. Lett., 2003, 91: 0723013 Adler S S et al. (PHENIX collaboration). Phys. Rev. Lett., 2003, 91: 1723024 Adler C et al. (STAR collaboration). Phys. Rev. Lett., 2003, 90: 0823025 Baier R, Dokshitzer Y L, Mueller A H et al. Nucl. Phys. B, 1997, 484: 2656 Gyulassy M, Vitev I, WANG X N et al. arXiv: nucl- th/03020777 WANG X N. Phys. Lett. B, 2007, 650: 2138 Salgado C A, Wiedemann U A. Phys. Rev. Lett., 2004, 93: 0423019 Hwa R C. J. Phys. G, 2008, 35: 10401710 Hwa R C, YANG C B. Phys. Rev. C, 2009, 79: 04490811 Atommssa E T. (PHENIX collaboration). Nucl. Phys. A, 2009, 830: 331c; Silvestre C. (PHENIX collaboration). arXiv:0806.0475[nucl-ex]12 PENG R, YANG C B. Nucl. Phys. A, 2010, 837: 5413 PENG R, YANG C B. submitted to Int. J. Mod. Phys. E.14 Srivastava D K, Gale C, Fries R J. Phys. Rev. C, 2003, 67: 03490315 Ko C M, LIU W. Nucl. Phys. A, 2007, 783: 233c16 Albino S, Kniehl B A, Kramer G. Nucl. Phys. B, 2008, 803: 4217 Braaten E, YUAN T C. Phys. Rev. Lett., 1993, 71: 167318 YUAN T C. Phys. Rev. D, 1994, 50: 566419 Fries R J, Muller B, Nonaka C et al. Phys. Rev. C, 2003, 68: 04490220 Karsch F. Nucl. Phys. A, 2002, 698: 19921 Hwa R C, YANG C B. Phys. Rev. C, 2004, 70: 024904; Phys. Rev. C, 2002, 66: 02520522 Hwa R C, YANG C B. Phys. Rev. C, 2010, 81: 02490823 Afanasiev A et al. (PHENIX collaboration). Phys. Rev. C, 2009, 80: 02490924 Adams J et al. (STAR collaboration). Phys. Rev. Lett., 2004, 92: 052302; Phys. Rev. Lett., 2005, 95: 12230125 Adler S S et al. (PHENIX collaboration). Phys. Rev. Lett., 2003, 91: 18230126 Molnar D, Voloshin S A. Phys. Rev. Lett., 2003, 91: 092301; LIN Z, Ko C M. Phys. Rev. Lett., 2002, 89: 202302
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PENG Ru and YANG Chun-Bin. π-J/ψ correlation and elliptic flow parameter v2 of charmed mesons at RHIC energy[J]. Chinese Physics C, 2011, 35(5): 453-458. doi: 10.1088/1674-1137/35/5/009
PENG Ru and YANG Chun-Bin. π-J/ψ correlation and elliptic flow parameter v2 of charmed mesons at RHIC energy[J]. Chinese Physics C, 2011, 35(5): 453-458.  doi: 10.1088/1674-1137/35/5/009 shu
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Received: 2010-08-09
Revised: 2010-11-16
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π-J/ψ correlation and elliptic flow parameter v2 of charmed mesons at RHIC energy

Abstract: We study the correlation between the trigger π and the associated J/ψ on near and away sides in Au+Au collisions at √sNN=200 GeV. In the region of trigger momentum pt>4 GeV/c, the π spectrum is composed of thermal-shower and shower-shower recombinations in the frame work of the recombination model. We consider the azimuthal anisotropy in the quenched hard parton distribution and then calculate the elliptic flow parameter v2 of charmed mesons (J/ψ, D0 and Ds) for different centralities.

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