Systematics of azimuthal asymmetries in heavy ion collisions in the 1A GeV regime

Using the large acceptance apparatus FOPI, we study central and semi-central collisions 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), 58Ni+58Ni (0.15, 0.25, 0.4), 96Ru+96Ru (0.4, 1.0, 1.5), 96Zr+96Zr (0.4, 1.0, 1.5), 129Xe+CsI (0.15, 0.25,...

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Main Authors: Reisdorf, Willibrord (Author) , Benabderrahmane, Mohamed Lotfi (Author) , Herrmann, Norbert (Author) , Merschmeyer, Markus (Author) , Piasecki, Krzysztof (Author) , Stockmeier, Matthias (Author)
Format: Article (Journal)
Language:English
Published: 2012
In: Nuclear physics. A, Nuclear and hadronic physics
Year: 2012, Volume: 876, Pages: 1-60
ISSN:1873-1554
DOI:10.1016/j.nuclphysa.2011.12.006
Online Access:Verlag, Volltext: http://dx.doi.org/10.1016/j.nuclphysa.2011.12.006
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0375947411006877
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Author Notes:W. Reisdorf, Y. Leifels, A. Andronic, R. Averbeck, V. Barret, Z. Basrak, N. Bastid, M.L. Benabderrahmane, R. Čaplar, P. Crochet, P. Dupieux, M. Dželalija, Z. Fodor, P. Gasik, Y. Grishkin, O.N. Hartmann, N. Herrmann, K.D. Hildenbrand, B. Hong, T.I. Kang, J. Kecskemeti, Y.J. Kim, M. Kirejczyk, M. Kiš, P. Koczoń, M. Korolija, R. Kotte, T. Kress, A. Lebedev, X. Lopez, T. Matulewicz, M. Merschmeyer, W. Neubert, M. Petrovici, K. Piasecki, F. Rami, M.S. Ryu, A. Schüttauf, Z. Seres, B. Sikora, K.S. Sim, V. Simion, K. Siwek-Wilczyńska, V. Smolyankin, M. Stockmeier, G. Stoicea, Z. Tymiński, K. Wiśniewski, D. Wohlfarth, Z.G. Xiao, H.S. Xu, I. Yushmanov, A. Zhilin
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Summary:Using the large acceptance apparatus FOPI, we study central and semi-central collisions 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), 58Ni+58Ni (0.15, 0.25, 0.4), 96Ru+96Ru (0.4, 1.0, 1.5), 96Zr+96Zr (0.4, 1.0, 1.5), 129Xe+CsI (0.15, 0.25, 0.4), 197Au+197Au (0.09, 0.12, 0.15, 0.25, 0.4, 0.6, 0.8, 1.0, 1.2, 1.5). The observables include directed and elliptic flow. The data are compared to earlier data where possible and to transport model simulations. A stiff nuclear equation of state is found to be incompatible with the data. Evidence for extra-repulsion of neutrons in compressed asymmetric matter is found.
Item Description:Available online 14 December 2011
Gesehen am 14.05.2018
Physical Description:Online Resource
ISSN:1873-1554
DOI:10.1016/j.nuclphysa.2011.12.006