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

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

2006-10-18

arxiv.org/abs/nucl-ex/0610025v1

Nucl.Phys.A781:459-508,2007

Physics

Nuclear Physics

Nuclear Experiment

56 pages,42 figures; to be published in Nuclear Physics A

Scientific paper

10.1016/j.nuclphysa.2006.10.085

Using the large acceptance apparatus FOPI, we study pion emission in the reactions (energies in GeV/nucleon 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 for positively and negatively charged pions 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.

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