会议论文详细信息
Workshop for young scientists on the physics of ultrarelativistic nucleus-nucleus collisions 2016
Rapidity correlations test stochastic hydrodynamics
Zin, C.^1 ; Gavin, S.^1 ; Moschelli, G.^2
Department of Physics and Astronomy, Wayne State University, Detroit
MI
48202, United States^1
Lawrence Technological University, 21000 West Ten Mile Road, Southfield
MI
48075, United States^2
关键词: Characteristic time;    Current data;    Isotropization;    Measurements of;    Second orders;    Stress-energy tensor;    Transverse momenta;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/832/1/012043/pdf
DOI  :  10.1088/1742-6596/832/1/012043
来源: IOP
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【 摘 要 】

We show that measurements of the rapidity dependence of transverse momentum correlations can be used to determine the characteristic time τπthat dictates the rate of isotropization of the stress energy tensor, as well as the shear viscosity ν = η/sT. We formulate methods for computing these correlations using second order dissipative hydrodynamics with noise. Current data are consistent with τπ/ν ∼ 10 but targeted measurements can improve this precision.

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