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Rapidity correlation structure in nuclear collisions
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DOI：10.1103/PhysRevC.94.024921.png)
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Abstract
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We show that measurements of the rapidity dependence of transverse momentum correlations can be used to determine the characteristic time tau(pi) that dictates the rate of isotropization of the stress energy tensor, as well as the shear viscosity nu = eta/sT. We formulate methods for computing these correlations using second-order dissipative hydrodynamics with noise. Current data are consistent with tau(pi)/nu similar to 10, but targeted measurements can improve this precision.
Keywords:
QUARK-GLUON PLASMA
PB COLLISIONS
KINETIC-THEORY
MULTIPLICITY
SIDE
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