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. JakobsenA. 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 journalArticlepeer-review

    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)
    Article number102301
    Pages (from-to)102301/1-102301/4
    JournalPhysical Review Letters
    Volume90
    Issue number10
    StatePublished - Mar 14 2003

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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