Measurement of the midrapidity transverse energy distribution from √sNN = 130GeV Au + Au collisions at RHIC

PHENIX Collaboration

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The first measurement of energy produced transverse to the beam direction at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory is presented. The midrapidity transverse energy density per participating nucleon rises steadily with the number of participants, closely paralleling the rise in charged-particle density, such that ⟨ET⟩/⟨Nch⟩ remains relatively constant as a function of centrality. The energy density calculated via Bjorken’s prescription for the 2% most central Au + Au collisions at √sNN = 130GeV is at least εBj = 4.6GeV/fm3, which is a factor of 1.6 larger than found at √sNN = 17.2GeV(Pb + Pb at CERN).

Original languageEnglish
Pages (from-to)52301-1-52301-6
JournalPhysical Review Letters
Issue number5
Publication statusPublished - 2001 Jul 30


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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