On the Difficulty of Comparing Theoretical and Experimental Estimates of Elliptical Flow

  • Elliptic flow is easy to compute in hydrodynamics. However experimentally it is obtained in an indirect way. The question we address in this paper is how comparable are these two approaches. For both cases, our study is done using the hydrodynamical code NeXSPheRIO and simulating nuclear collisions at RHIC.
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  • [1] . Aguiar C E, Kodama T, Osada T et al. J. Phys., 2001,G27: 752. Drescher H J, Lu F M, Ostapchenko S et al. Phys. Rev.,2002, C65: 054902; Hama Y, Kodama T, Socolowski Jr O,Braz. J. Phys., 2005, 35: 243. Aguiar C E, Hama Y, Kodama T et al. Nucl. Phys., 2002,A698: 639c4. Gazdzicki M, Gorenstein M I, Grassi F et al. Braz. J. Phys.,2004, 34: 322; Acta Phys. Pol., 2004, B35: 1795. Socolowski Jr O, Grassi F, Hama Y et al. Phys. Rev. Lett.,2004, 93: 182301; Acta Phys. Pol., 2005, B36: 3476. Grassi F, Hama Y, Kodama T et al. J. Phys., 2005, G30:S10417. Andrade R et al. Braz. J. of Phys., 2004, 34: 3198. Hama Y et al. hep-ph/0510101; Nucl. Phys., 2006, A774:1699. Andrade R, Grassi F, Hama Y et al. Phys. Rev. Lett., 2006,97: 20230210. Poskanzer A M, Voloshin S A. Phys. Rev., 1998, C58: 167111. Back B B et al. (PHOBOS Collaboration). Phys. Rev.Lett., 2002, 89: 222301; Phys. Rev., 2005, C72: 051901;Phys. Rev. Lett., 2005, 94: 12230312. Miller M, Snellings R. nucl-ex/031200813. ZHU X, Bleicher M, Stcker H. 2005, C72: 06491114. Manly S et al. (PHOBOS collaboration). Nucl. Phys., 2006,A774: 52315. Hirano T. Phys. Rev., 2001, C65: 011901(R)16. Hirano T. Nucl. Phys., 2006, A774: 531; Eur. Phys. J.,2006, A29: 1917. Hirano T et al. Phys. Lett., 2006, B636: 299
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Socolowski Jr. On the Difficulty of Comparing Theoretical and Experimental Estimates of Elliptical Flow[J]. Chinese Physics C, 2007, 31(12): 1170-1173.
Socolowski Jr. On the Difficulty of Comparing Theoretical and Experimental Estimates of Elliptical Flow[J]. Chinese Physics C, 2007, 31(12): 1170-1173. shu
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Received: 2007-07-17
Revised: 1900-01-01
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On the Difficulty of Comparing Theoretical and Experimental Estimates of Elliptical Flow

  • Instituto de Fisica, Universidade de Sao Paulo, C.P.66318, 05315-970 Sao Paulo-SP, Brazil2 Instituto de Fisica, Universidade Federal do Rio de Janeiro, C.P.68528, 21945-970 Rio de Janeiro-RJ, Brazil3 Departamento de Fisica, Instituto Tecnologico de Aeronautica-CTA, Praca Marechal Eduardo Gomes 50, 12228-900 Sao Jose dos Campos-SP, Brazil

Abstract: Elliptic flow is easy to compute in hydrodynamics. However experimentally it is obtained in an indirect way. The question we address in this paper is how comparable are these two approaches. For both cases, our study is done using the hydrodynamical code NeXSPheRIO and simulating nuclear collisions at RHIC.

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