Event anisotropy in 4.2A GeV/c C+C collisions

Abstract

The directed and elliptic flow of protons and negative pions in 4.2A GeV/c C+C collisions is studied using the Fourier analysis of azimuthal distributions. It is found that the protons exhibit pronounced directed flow, while the flow of pions is either non existent or too weak to be detected experimentally. Also, it is found that in the entire rapidity interval the elliptic flow is very small if not zero. These results are confirmed by the Quark-Gluon-String Model (QGSM) and the relativistic transport model (ART 1.0), except that these models predict very weak antiflow of pions. The more detailed comparison with the QGSM suggests that the decay of resonances and rescattering of secondaries dominantly determine the proton and negative pion flow at this energy.

7 pages, 3 figures, TeX file changed from double to single-spacing

References in corpus (7)

• Methods for analyzing anisotropic flow in relativistic nuclear collisions
• Transverse momentum analysis of collective motion in relativistic nuclear collisions
• Elliptic Flow: Transition from out-of-plane to in-plane Emission in Au + Au Collisions
• Directed and Elliptic Flow in 158 GeV/Nucleon Pb + Pb Collisions
• Disappearance of Elliptic Flow: A New Probe for the Nuclear Equation of State
• Proton and Pion Production Relative to the Reaction Plane in Au + Au Collisions at AGS Energies
• Event Anisotropy in High Energy Nucleus-Nucleus Collisions

Cited by in corpus (7)

• Flow analysis from multiparticle azimuthal correlations
• Systematics of Stopping and Flow in Au+Au Collisions
• Effects of momentum conservation on the analysis of anisotropic flow
• Analysis of directed flow from elliptic flow
• Collective Flow of Protons and Negative Pions in Nucleus-Nucleus Collisions at Momentum of $4.2÷4.5$ AGeV/c
• Anisotropic flow in 4.2A GeV/c C+Ta collisions
• Differential Transverse Flow in Central C-Ne and C-Cu Collisions at 3.7 GeV/nucleon