Publications [#304519] of Steffen A. Bass

Papers Published
  1. Bass, SA; Belkacem, M; Brandstetter, M; Bleicher, M; Gerland, L; Konopka, J; Neise, L; Spieles, C; Soff, S; Weber, H; Stöcker, H; Greiner, W, Are we close to an equilibrated quark-gluon plasma? Nonequilibrium analysis of particle production in ultrarelativistic heavy ion collisions, Physical Review Letters, vol. 81 no. 19 (1998), pp. 4092-4095 .

    Ratios of hadronic abundances are analyzed for pp and nucleus-nucleus collisions at √s ≈ 20 GeV using the microscopic ultrarelativistic quantum molecular dynamics transport model. Secondary interactions significantly change the primordial hadronic composition of the system. A strong dependence on rapidity is predicted. Without assuming thermal and chemical equilibrium, predicted hadron yields and ratios agree with many of the data (π/p, d/p, p̄/p, Λ̄/Λ, Ξ̄/Λ̄, etc.).