Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Integrated Azimuthal Correlations in Nucleus-Nucleus Collisions at CERN
  SPS   Azimuthal correlations of particles produced in nucleus-nucleus collisions at
CERN SPS are discussed. The correlations quantified by the integral measure Phi
are shown to be dominated by effects of collective flow.

22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
21
The categories of this paper are: adap-org
7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
10
The categories of this paper are: q-bio
18
The categories of this paper are: econ
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin