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We investigate the collision energy dependence of η/s in a transport + viscous hydrodynamics hybrid model. A Bayesian analysis is performed on RHIC beam energy scan data for Au + Au collisions at √ s N N = 19.6, 39, and 62.4 GeV. The resulting posterior probability distributions for the model parameters show a preference for a larger value of η/s at 19.6(More)
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