Publications (15)
K^0 and Îproduction in Ni + Ni collisions near threshold
M. Merschmeyer, X. Lopez, N. Bastid +3
New results concerning the production of neutral strange particles, and in Ni + Ni collisions at 1.93 GeV, measured with the FOPI detector at GSI-Darmstadt, are prese…
Sub-threshold production of (1385) baryons in Al+Al collisions at 1.9 GeV
FOPI Collaboration, X. Lopez, N. Herrmann +1
First measurement of sub-threshold (1385) production is presented. Experimental data are presented for Al+Al reactions at 1.9 GeV measured with the FOPI detector at SIS/GSI.…
Stopping and Radial Flow in Central 58Ni + 58Ni Collisions between 1 and 2 AGeV
FOPI Collaboration
The production of charged pions, protons and deuterons has been studied in central collisions of 58Ni on 58Ni at incident beam energies of 1.06, 1.45 and 1.93 AGeV. The dependence…
Droplet formation in expanding nuclear matter: a system-size dependent study
FOPI Collaboration, W. Reisdorf
Cluster production is investigated in central collisions of Ca+Ca, Ni+Ni, 96Zr+96Zr, 96Ru+96Ru, Xe+CsI and Au+Au reactions at 0.4A GeV incident energy. We find that the multiplicit…
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…
K^+ production in the reaction at incident energies from 1 to 2 AGeV
FOPI Collaboration
Semi-inclusive triple differential multiplicity distributions of positively charged kaons have been measured over a wide range in rapidity and transverse mass for central collision…
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…
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…
Particle Production and Flow at SIS Energies
N. Herrmann, FOPI Collaboration
An overview is given over recent measurements of flow and particle production in the energy range from 0.1 to 2AGeV. Excitation functions for the directed sideward and the azimutha…
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…
Systematics of pion emission in heavy ion collisions in the 1A GeV regime
FOPI Collaboration, W. Reisdorf
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), 96…
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…
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…
Abundance of Delta Resonances in 58Ni+58Ni Collisions between 1 and 2 AGeV
FOPI Collaboration, B. Hong, N. Herrmann +59
Charged pion spectra measured in 58Ni-58Ni collisions at 1.06, 1.45 and 1.93 AGeV are interpreted in terms of a thermal model including the decay of Delta resonances. The transvers…
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…