256 citations · 1.7k across the 35 of their papers we have counts for
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Wide acceptance measurement of the K/K ratio from Ni+Ni collisions at 1.91A GeV
K. Piasecki, N. Herrmann, R. Averbeck +70
The FOPI Collaboration at the GSI SIS-18 synchrotron measured charged kaons from central and semi-central collisions of Ni+Ni at a beam energy of 1.91A GeV. We present the distribu…
Determination of N* amplitudes from associated strangeness production in p+p collisions
R. Münzer, L. Fabbietti, E. Epple +65
We present the first determination of the energy-dependent production amplitudes of N resonances with masses between 1650 MeV/c and 1900 MeV/c for an excess energ…
Results of the ASY-EOS experiment at GSI: The symmetry energy at suprasaturation density
P. Russotto, S. Gannon, S. Kupny +89
Directed and elliptic flows of neutrons and light charged particles were measured for the reaction 197Au+197Au at 400 MeV/nucleon incident energy within the ASY-EOS experimental ca…
Aspects of the momentum dependence of the equation of state and of the residual cross section, and their effects on nuclear stopping
Z. Basrak, P. Eudes, V. de la Mota
With the semiclassical Landau-Vlasov transport model we studied the stopping observable , the energy-based isotropy ratio, for the Xe\,+\,Sn reaction at beam e…
Influence of mesons on negative kaons in Ni+Ni collisions at 1.91A GeV beam energy
K. Piasecki, N. Herrmann, R. Averbeck +63
and K mesons from Ni+Ni collisions at the beam energy of 1.91A GeV have been measured by the FOPI spectrometer, with a trigger selecting central and semi-central events amo…
Azimuthal Emission Patterns of and of Mesons in Ni + Ni Collisions near the Strangeness Production Threshold
V. Zinyuk, T. I. Kang, Y. Leifels +62
Azimuthal emission patterns of mesons have been measured in Ni + Ni collisions with the FOPI spectrometer at a beam kinetic energy of 1.91 A GeV. The transverse momentum $p…
Fusion excitation function revisited
Ph. Eudes, Z. Basrak, F. Sébille +3
We report on a comprehensive systematics of fusion-evaporation and/or fusion-fission cross sections for a very large variety of systems over an energy range 4-155 A.MeV. Scaled by…
The ASY-EOS experiment at GSI: investigating the symmetry energy at supra-saturation densities
P. Russotto, M. Chartier, E. De Filippo +89
The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to…
Constancy of energy partition in central heavy-ion reactions at intermediate energies
Z. Basrak, Ph. Eudes, M. Zorić +1
Semiclassical transport simulation of nucleus-nucleus collisions for the range of incident energy from about the Fermi energy up to a few hundred MeV per nucleon evidences that the…
Systematics of azimuthal asymmetries in heavy ion collisions in the 1 A GeV regime
FOPI Collaboration, W. Reisdorf, Y. Leifels +51
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…
Measurement of and mesons in Al+Al collisions at 1.9 GeV
X. Lopez, N. Herrmann, K. Piasecki
New measurement of sub-threshold and production is presented. The experimental data complete the measurement of strange particles produced in Al+Al collisions at…
Systematics of central heavy ion collisions in the 1A GeV regime
FOPI Collaboration, W. Reisdorf, A. Andronic +51
Using the large acceptance apparatus FOPI, we study 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), 58N…
Measurement of the in-medium K0 inclusive cross section in pi- -induced reactions at 1.15 GeV/c
M. L. Benabderrahmane, N. Herrmann, K. Wisniewski +62
The K0 meson production by pi- mesons of 1.15 GeV/c momentum on C, Al, Cu, Sn and Pb nuclear targets was measured with the FOPI spectrometer at the SIS accelerator of GSI. Inclusiv…
Excitation function of elliptic flow in Au+Au collisions and the nuclear matter equation of state
A. Andronic, FOPI Collaboration
We present measurements of the excitation function of elliptic flow at midrapidity in Au+Au collisions at beam energies from 0.09 to 1.49 GeV per nucleon. For the integral flow, we…
Nuclear stopping from 0.09A GeV to 1.93A GeV and its correlation to flow
FOPI Collaboration, W. Reisdorf
We present a complete systematics (excitation functions and system-size dependences) of global stopping and sideflow for heavy ion reactions in the energy range between 0.09A GeV a…
Azimuthal dependence of collective expansion for symmetric heavy ion collisions
G. Stoicea, M. Petrovici, A. Andronic +40
Detailed studies of the azimuthal dependence of the mean fragment and flow energies in the Au+Au and Xe+CsI systems are reported as a function of incident energy and centrality. Co…
Directed flow in Au+Au, Xe+CsI and Ni+Ni collisions and the nuclear equation of state
FOPI Collaboration, A. Andronic
We present new experimental data on directed flow in collisions of Au+Au, Xe+CsI and Ni+Ni at incident energies from 90 to 400A MeV. We study the centrality and system dependence o…
Sub-threshold phi-meson yield in central 58Ni+58Ni collisions
A. Mangiarotti, N. Herrmann, P. R. Maurenzig +4
The -meson production cross section is measured for the first time at a sub-threshold energy of 1.93 AGeV in \nuc{58}{Ni}+\nuc{58}{Ni} central collisions. The data were obta…
Elastic -transfer in the elastic scattering of OC
S. Szilner, W. von Oertzen, Z. Basrak +2
The elastic scattering OC angular distributions at O bombarding energies of 100.0, 115.9 and 124.0 MeV and their optical model description including the -p…
Refractive elastic scattering of carbon and oxygen nuclei: The mean field analysis and Airy structures
S. Szilner, M. P. Nicoli, Z. Basrak +5
The experimental data on the OC and OC elastic scatterings and their optical model analysis are presented. Detailed and complete elastic angular distr…
Differential directed flow in Au+Au collisions
A. Andronic, FOPI Collaboration
We present experimental data on directed flow in semi-central Au+Au collisions at incident energies from 90 to 400 A MeV. For the first time for this energy domain, the data are pr…
Direct comparison of phase-space distributions of K- and K+ mesons in heavy-ion collisions at SIS energies - evidence for in-medium modifications of kaons ?
K. Wisniewski, P. Crochet, N. Herrmann
The ratio of K- to K+ meson yields has been measured in the systems RuRu at 1.69 A GeV, Ru+Zr at 1.69 A GeV, and Ni+Ni at 1.93 A GeV incident beam kinetic energy. The yield ratio i…
Transition from in-plane to out-of-plane azimuthal enhancement in Au+Au collisions
A. Andronic, G. Stoicea, M. Petrovici +1
The incident energy at which the azimuthal distributions in semi-central heavy ion collisions change from in-plane to out-of-plane enhancement, E_tran, is studied as a function of…
Sideward flow of K+ mesons in Ru+Ru and Ni+Ni reactions near threshold
P. Crochet, N. Herrmann, K. Wisniewski +2
Experimental data on K+ meson and proton sideward flow measured with the FOPI detector at SIS/GSI in the reactions Ru+Ru at 1.69 AGeV and Ni+Ni at 1.93 AGeV are presented. The K+ s…