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

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 longit...

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Veröffentlicht in:Nuclear physics. A 2007, Vol.781, p.459-508
Hauptverfasser: Reisdorf, W., Stockmeier, M., Andronic A, A., Benabderrahmane, M.L., Hartmann, O.N., Herrmann, N., Hildenbrand, K.D., Kim, Y.J., Kis, M., Koczon, P., Kress, T., Leifels, Y., Lopez, X., Merschmeyer, M., Schuttauf, A., Barret, V., Basrak, Z., Bastid, N., Caplar, R., Crochet, P., Dupieux, P., Dzelalija, M., Fodor, Z., Grishkin, Y., Hong, B., Kang, T.I., Kecskemeti, J., Kirejczyk, M., Korolija, M., Kotte, R., Lebedev, A. A., Matulewicz, T., Neubert, W., Petrovici, M., Rami, F., Ryu, M.S., Seres, Z., Sikora, B., Sim, K.S., Simion, V., Siwek-Wilczynska, K., Smolyankin, V., Stoicea, G., Tyminski, Z., Wisniewski, K., Wohlfarth, D., Xiao, Z.G., Xu, H.S., Yushmanov, I., Zhilin, A.
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Sprache:eng
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Zusammenfassung: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.
ISSN:0375-9474
1873-1554
DOI:10.1016/j.nuclphysa.2006.10.085