Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Strongly Intensive Measures for Transverse Momentum and Particle Number
  Fluctuations   The strongly intensive measures $\Delta[P_T,N]$ and $\Sigma[P_T,N]$ are used
to study the event-by-event fluctuations of the transverse momentum $P_T$ and
particle multiplicity $N$ in nucleus-nucleus collisions.
  A special normalization for these fluctuation measures ensures that they are
dimensionless and yields a common scale required for a quantitative comparison
of fluctuations. In this paper basic properties of the $\Delta[P_T, N]$ and
$\Sigma[P_T, N]$ measures are tested within different phenomenological models
using the Monte Carlo simulations (the so-called fast generators) and
analytical solutions. The obtained results are helpful to elucidate the
properties of $\Delta[P_T,N]$ and $\Sigma[P_T,N]$ measures.

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The categories of this paper are: math
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The categories of this paper are: math-ph
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The categories of this paper are: stat
26
The categories of this paper are: bayes-an
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The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
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The categories of this paper are: cs
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The categories of this paper are: hep-lat
23
The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: physics
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The categories of this paper are: q-alg
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The categories of this paper are: patt-sol
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The categories of this paper are: q-fin
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The categories of this paper are: gr-qc
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The categories of this paper are: chao-dyn