Particle Ratios on the Near and Away-Side of Jets at RHIC

Details Particle Ratios on the Near and Away-Side of Jets at RHIC Particle Ratios on the Near and Away-Side of Jets at RHIC

2007-05-23

arxiv.org/abs/0705.3286v1

Physics

Nuclear Physics

Nuclear Experiment

8 pages, 4 figures, 1 table. Proceedings for the 23rd Winter Workshop on Nuclear Dynamics, Big Sky (Montana), USA, 11-18 Febru

Scientific paper

We measure the relative abundances of strange mesons, baryons, and anti-baryons correlated with high-$p_T$ trigger particles in $^{197}$Au + $^{197}$Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. Particle yields and ratios are extracted on the near-side and away-side of the trigger particle. The associate-particle ratios are studied as a function of the angle relative to the trigger particle azimuth $\Delta\phi$. Such studies should help elucidate the origin of the previously observed correlations and their strong modifications in Au+Au collisions relative to p+p collisions. We discuss how these measurements might be related to several scenarios for interactions of fast partons with the medium in Au+Au collision.

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