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Results from the PHOBOS experiment at RHIC

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Acta Physica Hungarica A) Heavy Ion Physics

Abstract

Au+Au collisions have been studied at center-of-mass energies of \(\sqrt {s_{NN} } = 56\) and 130 GeV using the PHOBOS detector at RHIC. Charged particle multiplicites have been measured as a function of center-of-mass energy, centrality and pseudo-rapidity, η. A total of 4100±400 charged particles are observed in the pseudo-rapidity range −5.4 < η < 5.4 for the most central collisions. A strong elliptic flow signal is seen in peripheral collisions at η = 0. The measurement of an antiprotons to protons ratio of \(\bar p/p = 0.60 \pm 0.04(stat) \pm 0.06(syst)\) indicates that a nearly baryon-free region is created at midrapidity.

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Authors and Affiliations

  1. Argonne National Laboratory, 60439, Argonne, IL, USA

    B. B. Back, N. George & A. H. Wuosmaa

  2. Brookhaven National Laboratory, 11973, Upton, NY, USA

    M. D. Baker, D. S. Barton, A. Carroll, S. Gushue, G. A. Heintzelman, B. Holzman, A. Olszewski, R. Pak, L. P. Remsberg, P. Steinberg & A. Sukhanov

  3. Institute of Nuclear Physics, Kraków, Poland

    A. Budzanowski, R. Hołyński, J. Michałowski, A. Olszewski, P. Sawicki, M. Stodulski, A. Trzupek, B. Wosiek & K. Woźniak

  4. Massachusetts Institute of Technology, 02139, Cambridge, MA, USA

    W. Busza, M. P. Decowski, K. Gulbrandsen, C. Henderson, J. L. Kane, J. Katzy, P. Kulinich, J. Mülmenstädt, H. Pernegger, C. Reed, C. Roland, G. Roland, L. Rosenberg, P. Sarin, S. G. Steadman, G. S. F. Stephans, C. Vale, G. J. van Nieuwenhuizen, R. Verdier, B. Wadsworth & B. Wysłouch

  5. National Central University, Chung-Li, Taiwan

    W. T. Lin & J. -L. Tang

  6. University of Illinois at Chicago, 60607, Chicago, IL, USA

    R. R. Betts, C. Halliwell, D. J. Hofman, B. Holzman, J. Katzy, W. Kucewicz, D. McLeod, R. Nouicer & M. Reuter

  7. University of Maryland, 20742, College Park, MD, USA

    R. Bindel, E. Garcia & A. C. Mignerey

  8. University of Rochester, 14627, Rochester, NY, USA

    E. Johnson, N. Khan, S. Manly, I. C. Park, W. Skulski, R. Teng & F. L. H. Wolfs

Authors
  1. B. B. Back
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  2. M. D. Baker
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  3. D. S. Barton
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  4. R. R. Betts
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  5. R. Bindel
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  6. A. Budzanowski
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  7. W. Busza
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  8. A. Carroll
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  9. M. P. Decowski
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  10. E. Garcia
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  11. N. George
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  12. K. Gulbrandsen
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  13. S. Gushue
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  14. C. Halliwell
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  15. G. A. Heintzelman
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  16. C. Henderson
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  17. D. J. Hofman
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  18. R. Hołyński
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  19. B. Holzman
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  20. E. Johnson
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  21. J. L. Kane
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  22. J. Katzy
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  23. N. Khan
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  24. W. Kucewicz
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  26. W. T. Lin
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  27. S. Manly
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  28. D. McLeod
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  29. J. Michałowski
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  30. A. C. Mignerey
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  31. J. Mülmenstädt
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  32. R. Nouicer
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  33. A. Olszewski
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  34. R. Pak
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  35. I. C. Park
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  36. H. Pernegger
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  37. C. Reed
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  38. L. P. Remsberg
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  39. M. Reuter
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  40. C. Roland
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  41. G. Roland
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  42. L. Rosenberg
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  43. P. Sarin
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  44. P. Sawicki
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  45. W. Skulski
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  46. S. G. Steadman
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  47. P. Steinberg
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  48. G. S. F. Stephans
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  49. M. Stodulski
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  50. A. Sukhanov
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  51. J. -L. Tang
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  52. R. Teng
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  53. A. Trzupek
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  54. C. Vale
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  55. G. J. van Nieuwenhuizen
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  56. R. Verdier
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  57. B. Wadsworth
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  58. F. L. H. Wolfs
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  59. B. Wosiek
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  60. K. Woźniak
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  61. A. H. Wuosmaa
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  62. B. Wysłouch
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the PHOBOS Collaboration

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the PHOBOS Collaboration., Back, B.B., Baker, M.D. et al. Results from the PHOBOS experiment at RHIC. APH N.S., Heavy Ion Physics 15, 225–235 (2002). https://doi.org/10.1556/APH.15.2002.3-4.6

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  • DOI: https://doi.org/10.1556/APH.15.2002.3-4.6

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