Table of Contents Author Guidelines Submit a Manuscript
Advances in High Energy Physics
Volume 2013, Article ID 450247, 8 pages
http://dx.doi.org/10.1155/2013/450247
Research Article

Speed of Sound Parameter from RHIC and LHC Heavy-Ion Data

Institute of Theoretical Physics, Shanxi University, Taiyuan, Shanxi 030006, China

Received 28 June 2013; Revised 25 August 2013; Accepted 27 August 2013

Academic Editor: George Siopsis

Copyright © 2013 Li-Na Gao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. L. D. Landau, “Izvestiya akademii nauk: series fizicheskikh 17 51 (1953),” in English-Translation: Collected Papers of L. D. Landau, D. Ter-Haarp, Ed., p. 569, Pergamon, Oxford, UK, 1965. View at Google Scholar
  2. S. Z. Belenkij and L. D. Landau, “Soviet Physics Uspekhi 56 309 (1955),” in English-Translation: Collected Papers of L.D. Landau, D. Ter-Haarp, Ed., p. 665, Pergamon, Oxford, UK, 1965. View at Google Scholar
  3. O. V. Zhirov and E. V. Shuryak, “Multiple production of hadrons and predictions of the Landau theory,” Yadernaya Fizika, vol. 21, no. 4, pp. 861–867, 1975. View at Google Scholar
  4. W. Florkowski, Phenomenology of Ultra-Relativistic Heavy-Ion CollisIons, World Scientific, Singapore, 2010.
  5. B. B. Back, M. D. Baker, D. S. Barton et al., “Charged-particle pseudorapidity density distributions from Au+Au collisions at SNN=130 GeV,” Physical Review Letters, vol. 87, no. 10, Article ID 102303, 2001. View at Publisher · View at Google Scholar
  6. B. B. Back, M. D. Baker, D. S. Barton et al., “Significance of the fragmentation region in ultrarelativistic heavy-ion collisions,” Physical Review Letters, vol. 91, no. 5, Article ID 052303, 2003. View at Publisher · View at Google Scholar
  7. I. G. Bearden, D. Beavisa, C. Besliuj et al., “Charged particle densities from Au+Au collisions at SNN=130 GeV,” Physics Letters B, vol. 523, no. 3-4, pp. 227–233, 2001. View at Publisher · View at Google Scholar
  8. I. G. Bearden et al., “Pseudorapidity distributions of charged particles from Au+Au collisions at the maximum RHIC energy, SNN=200 GeV,” Physical Review Letters, vol. 88, no. 20, Article ID 202301, 2002. View at Publisher · View at Google Scholar
  9. P. Steinberg, “Bulk dynamics in high energy collisions,” Journal of Physics: Conference Series, vol. 9, no. 1, pp. 280–285, 2005. View at Publisher · View at Google Scholar
  10. P. Steinberg, “Bulk dynamics in heavy ion collisions,” Nuclear Physics A, vol. 752, pp. 423–432, 2005. View at Publisher · View at Google Scholar
  11. P. Carruthers and M. Duong-Van, “New scaling law based on the hydrodynamical model of particle production,” Physics Letters B, vol. 41, no. 5, pp. 597–601, 1972. View at Google Scholar · View at Scopus
  12. P. Carruthers and M. Duong-Van, “Rapidity and angular distributions of charged secondaries according to the hydrodynamical model of particle production,” Physical Review D, vol. 8, no. 3, pp. 859–874, 1973. View at Publisher · View at Google Scholar · View at Scopus
  13. C.-Y. Wong, “Landau hydrodynamics reexamined,” Physical Review C, vol. 78, no. 5, Article ID 054902, 2008. View at Publisher · View at Google Scholar
  14. B. B. Back, M. D. Baker, D. S. Barton et al., “Charged-particle multiplicity near midrapidity in central Au+Au collisions at SNN=56 and 130 GeV,” Physical Review Letters, vol. 85, no. 15, pp. 3100–3104, 2000. View at Publisher · View at Google Scholar
  15. B. B. Back, M. D. Baker, D. S. Barton et al., “Centrality dependence of charged particle multiplicity at midrapidity in Au+Au collisions at SNN=130 GeV,” Physical Review C, vol. 86, no. 16, pp. 3500–3505, 2001. View at Google Scholar
  16. B. B. Back, B. B. Back, D. S. Barton et al., “Energy dependence of particle multiplicities in central Au+Au collisions,” Physical Review Letters, vol. 88, no. 2, Article ID 022302, 2002. View at Publisher · View at Google Scholar
  17. B. B. Back, M. Ballintijn, M. D. Baker et al., “Centrality dependence of the charged particle multiplicity near midrapidity in Au+Au collisions at SNN=130 and 200 GeV,” Physical Review C, vol. 65, no. 6, Article ID 061901, 2002. View at Publisher · View at Google Scholar
  18. B. B. Back, M. D. Baker, D. S. Barton et al., “Collision geometry scaling of Au+Au pseudorapidity density from SNN=19.6 to 200 GeV,” Physical Review C, vol. 70, no. 2, Article ID 021902, 2004. View at Publisher · View at Google Scholar
  19. A. Toia, “For the ALICE Collaboration. Bulk properties of Pb–Pb collisions at SNN=2.76 TeV measured by ALICE,” Journal of Physics G, vol. 38, no. 12, Article ID 124007, 2011. View at Publisher · View at Google Scholar
  20. D. M. Röhrscheid and G. Wolschin, “Centrality dependence of charged-hadron pseudorapidity distributions in PbPb collisions at energies available at the CERN Large Hadron Collider in the relativistic diffusion model,” Physical Review C, vol. 86, no. 2, Article ID 024902, 2012. View at Publisher · View at Google Scholar
  21. E. Abbas, L. Aphecetche, A. Baldisseri et al., “Centrality dependence of the pseudorapidity density distribution for charged particles in Pb–Pb collisions at SNN=2.76 TeV,” 2013, http://arxiv.org/abs/1304.0347.
  22. E. K. G. Sarkisyan and A. S. Sakharov, “Relating multihadron production in hadronic and nuclear collisions,” The European Physical Journal C, vol. 70, no. 3, pp. 533–541, 2010. View at Publisher · View at Google Scholar
  23. E. K. G. Sarkisyan and A. S. Sakharov, “Multihadron production features in different reactions,” AIP Conference Proceedings, vol. 828, pp. 35–41, 2006. View at Publisher · View at Google Scholar
  24. R. J. Glauber, “High-energy collision theory,” in Lectures of Theoretical Physics, W. E. Brittin and L. G. Dunham, Eds., vol. 1, pp. 315–414, Interscience, New York, NY, USA, 1959. View at Google Scholar · View at MathSciNet
  25. J. Dias de Deus and J. G. Mihano, “A simple evolution equation for rapidity distributions in nucleus-nucleus collisions,” Nuclear Physics A, vol. 795, no. 1–4, pp. 98–108, 2007. View at Publisher · View at Google Scholar
  26. S. S. Adler, S. Afanasiev, C. Aidala et al., “Systematic studies of the centrality and SNN dependence of the dET/dη and dNch/dη in heavy ion collisions at midrapidity,” Physical Review C, vol. 71, no. 3, Article ID 034908, 2005. View at Publisher · View at Google Scholar
  27. B. Alver, B. B. Back, D. S. Barton et al., “Charged-particle multiplicity and pseudorapidity distributions measured with the PHOBOS detector in Au+Au, Cu+Cu, d+Au, and p+p collisions at ultrarelativistic energies,” Physical Review C, vol. 83, no. 2, Article ID 024913, 2011. View at Publisher · View at Google Scholar
  28. G. Wolschin, “Pseudorapidity distributions of produced charged hadrons in pp collisions at RHIC and LHC energies,” EPL, vol. 95, no. 6, Article ID 61001, 2011. View at Publisher · View at Google Scholar · View at Scopus
  29. E. V. Shuryak, “Multiparticle production in high energy particle collisions,” Yadernaya Fizika, vol. 16, no. 2, pp. 395–405, 1972. View at Google Scholar
  30. P. Carruthers, “Heretical models of particle production,” Annals of the New York Academy of Sciences, vol. 229, pp. 91–123, 1974. View at Publisher · View at Google Scholar
  31. M. Gazdzickia, M. Gorensteinc, and P. Seybothe, “Onset of deconfinement in nucleus-nucleus collisions: review for pedestrians and experts,” Acta Physica Polonica B, vol. 42, p. 307, 2011. View at Publisher · View at Google Scholar
  32. G. A. Milekhin, “On the hydrodynamic theory of multiple production of particles,” Soviet Physics, vol. 35, no. 8, pp. 682–684, 1959. View at Google Scholar · View at MathSciNet
  33. E.-Q. Wang, Y.-H. Chen, B.-C. Li, and F.-H. Liu, “Dependences of charged particle pseudorapidity distributions on impact parameter and center-of-mass energy in nucleus-nucleus collisions at relativistic energies,” Indian Journal of Physics, vol. 87, no. 8, pp. 793–801, 2013. View at Publisher · View at Google Scholar
  34. S. Chatrchyan, V. Khachatryan, A. M. Sirunyan et al., “Measurement of the pseudorapidity and centrality dependence of the transverse energy density in Pb–Pb collisions at SNN=2.76 TeV,” Physical Review Letters, vol. 109, no. 15, Article ID 152303, 2012. View at Publisher · View at Google Scholar
  35. A. Tawfik and H. Magdy, “Hadronic equation of state and speed of sound in thermal and dense medium,” 2012, http://arxiv-web3.library.cornell.edu/abs/1206.0901.
  36. A. Tawfik and T. Harko, “Quark-hadron phase transitions in the viscous early universe,” Physical Review D, vol. 85, no. 8, Article ID 084032, 2012. View at Publisher · View at Google Scholar · View at Scopus
  37. Sz. Borsányi, G. Endrodi, Z. Fodor et al., “QCD equation of state at nonzero chemical potential: continuum results with physical quark masses at order mu2,” 2012, http://arxiv.org/abs/1204.6710.