Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: High p_T Hadron Correlation and No Correlation   An overview of the correlation among high-p_T hadrons produced in heavy-ion
collisions is presented. Emphasis is placed on the physical processes that can
quantitatively account for the data on correlations in p_T, \eta and \phi on
the near and far sides. Predictions are made on processes that have no
observable correlations for hadrons produced at intermediate and higher p_T at
RHIC and LHC.

31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
14
The categories of this paper are: math-ph
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th