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      Estimating \(\eta/s\) of QCD matter at high baryon densities

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          Abstract

          We report on the application of a cascade + viscous hydro + cascade model for heavy ion collisions in the RHIC Beam Energy Scan range, \(\sqrt{s_{\rm NN}}=6.3\dots200\) GeV. By constraining model parameters to reproduce the data we find that the effective(average) value of the shear viscosity over entropy density ratio \(\eta/s\) decreases from 0.2 to 0.08 when collision energy grows from \(\sqrt{s_{\rm NN}}\approx7\) to 39 GeV.

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          Single-particle distribution in the hydrodynamic and statistical thermodynamic models of multiparticle production

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            Journal
            1509.07351
            10.1088/1742-6596/668/1/012063

            High energy & Particle physics, Nuclear physics

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