Influence of tubular initial conditions on two-particle correlations in relativistic nuclear collisions

Details Influence of tubular initial conditions on two-particle correlations in relativistic nuclear collisions Influence of tubular initial conditions on two-particle correlations in relativistic nuclear collisions

2010-08-26

arxiv.org/abs/1008.4612v1

Physics

Nuclear Physics

Nuclear Theory

4 pages,5 figures

Scientific paper

Relativistic nuclear collisions data on two-particle correlations exhibit structures as function of relative azimuthal angle and rapidity. A unified description of these near-side and away-side structures is proposed for low to moderate transverse momentum. It is based on the combined effect of tubular initial conditions and hydrodynamical expansion. Contrary to expectations, the hydrodynamics solution shows that the high energy density tubes (leftover from the initial particle interactions) give rise to particle emission in two directions and this is what leads to the various structures. This description is sensitive to some of the initial tube parameters and may provide a probe of the strong interaction. A possible experimental test is suggested.

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