Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kinetic freeze out from an anisotropic fluid in high-energy heavy-ion
  collisions: particle spectra, Hanbury Brown-Twiss radii, and anisotropic flow   Dissipative relativistic fluid-dynamical descriptions of the extended
fireball formed in high-energy heavy-ion collisions are quite successful, yet
require a prescription for converting the fluid into particles. We present
arguments in favour of using a locally anisotropic momentum distribution for
the particles emitted from the fluid, so as to smooth out discontinuities
introduced by the usual conversion prescriptions. Building on this ansatz, we
investigate the effect of the asymmetry on several observables of heavy ion
physics.

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The categories of this paper are: eess
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The categories of this paper are: q-fin
3
The categories of this paper are: physics
4
The categories of this paper are: cond-mat
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The categories of this paper are: solv-int
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The categories of this paper are: mtrl-th
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The categories of this paper are: econ
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The categories of this paper are: alg-geom
2
The categories of this paper are: math
8
The categories of this paper are: hep-ex
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The categories of this paper are: funct-an
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The categories of this paper are: patt-sol
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The categories of this paper are: stat
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The categories of this paper are: nlin
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The categories of this paper are: bayes-an
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The categories of this paper are: atom-ph