Azimuthal distributions of radial momentum and velocity in relativistic heavy ion collisions

Abstract

Azimuthal distributions of radial (transverse) momentum, mean radial momentum, and mean radial velocity of final state particles are suggested for relativistic heavy ion collisions. Using transport model AMPT with string melting, these distributions for Au + Au collisions at 200 GeV are presented and studied. It is demonstrated that the distribution of total radial momentum is more sensitive to the anisotropic expansion, as the anisotropies of final state particles and their associated transverse momentums are both counted in the measure. The mean radial velocity distribution is compared with the radial °ow velocity. The thermal motion contributes an isotropic constant to mean radial velocity.

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Cited by in corpus (4)

• Simulation study of elliptic flow of charged hadrons produced in Au + Au collisions at the Facility for Antiproton and Ion Research
• Measurement of anisotropic radial flow in relativistic heavy ion collisions
• Measurement methods of radial flow in relativistic heavy-ion collisions
• Radial flow in a multi phase transport model at FAIR energies