Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV

I. G. Bearden, D. Beavis, C. Besliu, Y. Blyakhman, B. Budick, H. Bøggild, C. Chasman, C. H. Christensen, P. Christiansen, J. Cibor, R. Debbe, E. Enger, J. J. Gaardhøje, M. Germinario, K. Hagel, O. Hansen, A. Holm, A. K. Holme, H. Ito, E. Jakobsen & 38 others A. Jipa, F. Jundt, J. I. Jørdre, C. E. Jørgensen, R. Karabowicz, T. Keutgen, E. J. Kim, T. Kozik, T. M. Larsen, J. H. Lee, Y. K. Lee, G. Løvhøiden, Z. Majka, A. Makeev, B. McBreen, M. Milkelsen, M. Murray, J. Natowitz, B. S. Nielsen, J. Norris, K. Olchanski, J. Olness, D. Ouerdane, R. Planeta, F. Rami, C. Ristea, D. Röhrich, B. H. Samset, D. Sandberg, S. J. Sanders, R. A. Scheetz, P. Staszel, T. S. Tveter, F. Videbæk, R. Wada, A. Wieloch, Z. Yin, I. S. Zgura

    Research output: Contribution to journalArticle

    Abstract

    The BRAHMS experiment has measured the ratios of charged hadrons at the RHIC top energy and observed the highest such ratios yet in nuclear collisions. As such, an increase in the ratio of antiprotons to protons and negative to positive kaons, consistent with a significant increase in reaction transparency compared to lower energies was found. The systematics of kaon and proton ratios demonstrates a strongly correlated relationship between light and strange quark chemical potentials.

    Original languageEnglish (US)
    JournalPhysical Review Letters
    Volume90
    Issue number10
    StatePublished - Mar 14 2003

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    collisions
    kaons
    protons
    antiprotons
    hadrons
    quarks
    energy

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Bearden, I. G., Beavis, D., Besliu, C., Blyakhman, Y., Budick, B., Bøggild, H., ... Zgura, I. S. (2003). Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV. Physical Review Letters, 90(10).

    Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV. / Bearden, I. G.; Beavis, D.; Besliu, C.; Blyakhman, Y.; Budick, B.; Bøggild, H.; Chasman, C.; Christensen, C. H.; Christiansen, P.; Cibor, J.; Debbe, R.; Enger, E.; Gaardhøje, J. J.; Germinario, M.; Hagel, K.; Hansen, O.; Holm, A.; Holme, A. K.; Ito, H.; Jakobsen, E.; Jipa, A.; Jundt, F.; Jørdre, J. I.; Jørgensen, C. E.; Karabowicz, R.; Keutgen, T.; Kim, E. J.; Kozik, T.; Larsen, T. M.; Lee, J. H.; Lee, Y. K.; Løvhøiden, G.; Majka, Z.; Makeev, A.; McBreen, B.; Milkelsen, M.; Murray, M.; Natowitz, J.; Nielsen, B. S.; Norris, J.; Olchanski, K.; Olness, J.; Ouerdane, D.; Planeta, R.; Rami, F.; Ristea, C.; Röhrich, D.; Samset, B. H.; Sandberg, D.; Sanders, S. J.; Scheetz, R. A.; Staszel, P.; Tveter, T. S.; Videbæk, F.; Wada, R.; Wieloch, A.; Yin, Z.; Zgura, I. S.

    In: Physical Review Letters, Vol. 90, No. 10, 14.03.2003.

    Research output: Contribution to journalArticle

    Bearden, IG, Beavis, D, Besliu, C, Blyakhman, Y, Budick, B, Bøggild, H, Chasman, C, Christensen, CH, Christiansen, P, Cibor, J, Debbe, R, Enger, E, Gaardhøje, JJ, Germinario, M, Hagel, K, Hansen, O, Holm, A, Holme, AK, Ito, H, Jakobsen, E, Jipa, A, Jundt, F, Jørdre, JI, Jørgensen, CE, Karabowicz, R, Keutgen, T, Kim, EJ, Kozik, T, Larsen, TM, Lee, JH, Lee, YK, Løvhøiden, G, Majka, Z, Makeev, A, McBreen, B, Milkelsen, M, Murray, M, Natowitz, J, Nielsen, BS, Norris, J, Olchanski, K, Olness, J, Ouerdane, D, Planeta, R, Rami, F, Ristea, C, Röhrich, D, Samset, BH, Sandberg, D, Sanders, SJ, Scheetz, RA, Staszel, P, Tveter, TS, Videbæk, F, Wada, R, Wieloch, A, Yin, Z & Zgura, IS 2003, 'Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV', Physical Review Letters, vol. 90, no. 10.
    Bearden IG, Beavis D, Besliu C, Blyakhman Y, Budick B, Bøggild H et al. Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV. Physical Review Letters. 2003 Mar 14;90(10).
    Bearden, I. G. ; Beavis, D. ; Besliu, C. ; Blyakhman, Y. ; Budick, B. ; Bøggild, H. ; Chasman, C. ; Christensen, C. H. ; Christiansen, P. ; Cibor, J. ; Debbe, R. ; Enger, E. ; Gaardhøje, J. J. ; Germinario, M. ; Hagel, K. ; Hansen, O. ; Holm, A. ; Holme, A. K. ; Ito, H. ; Jakobsen, E. ; Jipa, A. ; Jundt, F. ; Jørdre, J. I. ; Jørgensen, C. E. ; Karabowicz, R. ; Keutgen, T. ; Kim, E. J. ; Kozik, T. ; Larsen, T. M. ; Lee, J. H. ; Lee, Y. K. ; Løvhøiden, G. ; Majka, Z. ; Makeev, A. ; McBreen, B. ; Milkelsen, M. ; Murray, M. ; Natowitz, J. ; Nielsen, B. S. ; Norris, J. ; Olchanski, K. ; Olness, J. ; Ouerdane, D. ; Planeta, R. ; Rami, F. ; Ristea, C. ; Röhrich, D. ; Samset, B. H. ; Sandberg, D. ; Sanders, S. J. ; Scheetz, R. A. ; Staszel, P. ; Tveter, T. S. ; Videbæk, F. ; Wada, R. ; Wieloch, A. ; Yin, Z. ; Zgura, I. S. / Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV. In: Physical Review Letters. 2003 ; Vol. 90, No. 10.
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    title = "Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV",
    abstract = "The BRAHMS experiment has measured the ratios of charged hadrons at the RHIC top energy and observed the highest such ratios yet in nuclear collisions. As such, an increase in the ratio of antiprotons to protons and negative to positive kaons, consistent with a significant increase in reaction transparency compared to lower energies was found. The systematics of kaon and proton ratios demonstrates a strongly correlated relationship between light and strange quark chemical potentials.",
    author = "Bearden, {I. G.} and D. Beavis and C. Besliu and Y. Blyakhman and B. Budick and H. B{\o}ggild and C. Chasman and Christensen, {C. H.} and P. Christiansen and J. Cibor and R. Debbe and E. Enger and Gaardh{\o}je, {J. J.} and M. Germinario and K. Hagel and O. Hansen and A. Holm and Holme, {A. K.} and H. Ito and E. Jakobsen and A. Jipa and F. Jundt and J{\o}rdre, {J. I.} and J{\o}rgensen, {C. E.} and R. Karabowicz and T. Keutgen and Kim, {E. J.} and T. Kozik and Larsen, {T. M.} and Lee, {J. H.} and Lee, {Y. K.} and G. L{\o}vh{\o}iden and Z. Majka and A. Makeev and B. McBreen and M. Milkelsen and M. Murray and J. Natowitz and Nielsen, {B. S.} and J. Norris and K. Olchanski and J. Olness and D. Ouerdane and R. Planeta and F. Rami and C. Ristea and D. R{\"o}hrich and Samset, {B. H.} and D. Sandberg and Sanders, {S. J.} and Scheetz, {R. A.} and P. Staszel and Tveter, {T. S.} and F. Videb{\ae}k and R. Wada and A. Wieloch and Z. Yin and Zgura, {I. S.}",
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    T1 - Rapidity dependence of charged antihadron to hadron ratios in Au + Au collisions at √SNN = 200 GeV

    AU - Bearden, I. G.

    AU - Beavis, D.

    AU - Besliu, C.

    AU - Blyakhman, Y.

    AU - Budick, B.

    AU - Bøggild, H.

    AU - Chasman, C.

    AU - Christensen, C. H.

    AU - Christiansen, P.

    AU - Cibor, J.

    AU - Debbe, R.

    AU - Enger, E.

    AU - Gaardhøje, J. J.

    AU - Germinario, M.

    AU - Hagel, K.

    AU - Hansen, O.

    AU - Holm, A.

    AU - Holme, A. K.

    AU - Ito, H.

    AU - Jakobsen, E.

    AU - Jipa, A.

    AU - Jundt, F.

    AU - Jørdre, J. I.

    AU - Jørgensen, C. E.

    AU - Karabowicz, R.

    AU - Keutgen, T.

    AU - Kim, E. J.

    AU - Kozik, T.

    AU - Larsen, T. M.

    AU - Lee, J. H.

    AU - Lee, Y. K.

    AU - Løvhøiden, G.

    AU - Majka, Z.

    AU - Makeev, A.

    AU - McBreen, B.

    AU - Milkelsen, M.

    AU - Murray, M.

    AU - Natowitz, J.

    AU - Nielsen, B. S.

    AU - Norris, J.

    AU - Olchanski, K.

    AU - Olness, J.

    AU - Ouerdane, D.

    AU - Planeta, R.

    AU - Rami, F.

    AU - Ristea, C.

    AU - Röhrich, D.

    AU - Samset, B. H.

    AU - Sandberg, D.

    AU - Sanders, S. J.

    AU - Scheetz, R. A.

    AU - Staszel, P.

    AU - Tveter, T. S.

    AU - Videbæk, F.

    AU - Wada, R.

    AU - Wieloch, A.

    AU - Yin, Z.

    AU - Zgura, I. S.

    PY - 2003/3/14

    Y1 - 2003/3/14

    N2 - The BRAHMS experiment has measured the ratios of charged hadrons at the RHIC top energy and observed the highest such ratios yet in nuclear collisions. As such, an increase in the ratio of antiprotons to protons and negative to positive kaons, consistent with a significant increase in reaction transparency compared to lower energies was found. The systematics of kaon and proton ratios demonstrates a strongly correlated relationship between light and strange quark chemical potentials.

    AB - The BRAHMS experiment has measured the ratios of charged hadrons at the RHIC top energy and observed the highest such ratios yet in nuclear collisions. As such, an increase in the ratio of antiprotons to protons and negative to positive kaons, consistent with a significant increase in reaction transparency compared to lower energies was found. The systematics of kaon and proton ratios demonstrates a strongly correlated relationship between light and strange quark chemical potentials.

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    VL - 90

    JO - Physical Review Letters

    JF - Physical Review Letters

    SN - 0031-9007

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