Viscosity and the Soft Ridge at RHIC

  title={Viscosity and the Soft Ridge at RHIC},
  author={Sean Gavin and George Moschelli},
Correlation studies exhibit a ridge-like feature in rapidity and azimuthal angle, with and without a jet trigger. We ask whether the feature in untriggered correlations can be a consequence of transverse flow and viscous diffusion. Jet correlation measurements display a ridge of enhanced particle emission that is broad in pseudorapidity η and narrow in azimuthal angle φ [1]. Many have attributed this ‘hard ridge’ to the passage of the jet through the high-density environment produced by the… CONTINUE READING


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