Systematics of pion emission in heavy ion collisions in the 1 A   GeV regime

W. Reisdorf, M. Stockmeier, A. Andronic, M. L. Benabderrahmane, O. N. Hartmann, N. Herrmann, K. D. Hildenbrand, Y. J. Kim, M. Kiš, P. Koczoń, T. Kress, Y. Leifels, X. Lopez, M. Merschmeyer, A. Schüttauf, V. Barret, Z. Basrak, N. Bastid, R. Čaplar, P. CrochetP. Dupieux, M. Dželalija, Z. Fodor, Y. Grishkin, B. Hong, T. I. Kang, J. Kecskemeti, M. Kirejczyk, M. Korolija, R. Kotte, A. Lebedev, T. Matulewicz, W. Neubert, M. Petrovici, F. Rami, M. S. Ryu, Z. Seres, B. Sikora, K. S. Sim, V. Simion, K. Siwek-Wilczyńska, V. Smolyankin, G. Stoicea, Z. Tymiński, K. Wiśniewski, D. Wohlfarth, Z. G. Xiao, H. S. Xu, I. Yushmanov, A. Zhilin

Research output: Contribution to journalArticlepeer-review


Using the large acceptance apparatus FOPI, we study pion emission in the reactions (energies in A   GeV are given in parentheses): 40Ca + 40Ca (0.4, 0.6, 0.8, 1.0, 1.5, 1.93), 96Ru + 96Ru (0.4, 1.0, 1.5), 96Zr + 96Zr (0.4, 1.0, 1.5), 197Au + 197Au (0.4, 0.6, 0.8, 1.0, 1.2, 1.5). The observables include longitudinal and transverse rapidity distributions and stopping, polar anisotropies, pion multiplicities, transverse momentum spectra, ratios (π+ / π-) of average transverse momenta and of yields, directed flow, elliptic flow. The data are compared to earlier data where possible and to transport model simulations.

Original languageEnglish (US)
Pages (from-to)459-508
Number of pages50
JournalNuclear Physics A
Issue number3-4
StatePublished - Jan 15 2007


  • Flow
  • Heavy ions
  • Isospin
  • Pion production
  • Rapidity
  • Stopping

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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