Feeding of the elliptic flow by hard partons

Abstract

We propose that in nuclear collisions at the LHC the elliptic flow may get a contribution from leading hard and semihard partons which deposit energy and momentum into the hydrodynamic bulk medium. The crucial effect is that these partons induce wakes which interact and merge if they come together. The contribution to the integrated elliptic flow is estimated with the help of a toy model to about 25% of the observed value and shows strong event-by-event fluctuations.

9 pages, 3 figures

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Cited by in corpus (4)

• Anisotropic flow of the fireball fed by hard partons
• Stimulation of static deconfined medium by multiple hard partons
• The effect of momentum deposition during fireball evolution on flow anisotropy
• Flow anisotropy due to momentum deposition in ultra-relativistic nuclear collisions