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In-Plane Elliptic Flow of Resonance Particles in Relativistic Heavy-Ion Collisions by Hirano, Tetsufumi is a scholarly article available to read on EtoBox.

What is In-Plane Elliptic Flow of Resonance Particles in Relativistic Heavy-Ion Collisions about?

We analyze the second Fourier coefficient $v_2$ of the pion azimuthal distribution in non-central heavy-ion collisions in a relativistic hydrodynamic model. The exact treatment of the decay kinematics of resonances leads to almost vanishing azimuthal anisotropy of pions near the midrapidity, while the matter elliptic flow is in-plane at freeze-out. In addition, we reproduce the rapidity dependence of $v_2$ for pions measured in non-central Pb + Pb collisions at 158$A$ GeV. This suggests that resonance particles as well as stable particles constitute the in-plane flow and are important ingredients for the understanding of the observed pion flow.

Author

Hirano, Tetsufumi

Published

2000

Language

EN