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arXiv · 1002.4999

Directed flow in ultrarelativistic heavy-ion collisions

Piotr Bozek·Iwona Wyskiel
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Abstract

We study the generation of directed flow in the hydrodynamic expansion of the hot matter formed in ultrarelativistic heavy-ion collisions at 200GeV. The experimentally observed negative directed flow in a wide range of central pseudorapidities isreproduced assuming that the fireball is tilted away from the collision axis. The tilt of the source is consistent with a preferential emission in the forward/backward hemisphere from forward/backward participating nucleons. The model reproduces the experimentally observed scaling of the directed flow when going from Au-Au to Cu-Cu systems.

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Piotr Bozek, Iwona Wyskiel. 2010-04-28. Directed flow in ultrarelativistic heavy-ion collisions. https://doi.org/10.1103/physrevc.81.054902

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