Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Latest results from RHIC + Progress on determining $\hat{q}L$ in RHI
  collisions using di-hadron correlations   Results from Relativistic Heavy Ion Collider Physics in 2018 and plans for
the future at Brookhaven National Laboratory are presented.

18
The categories of this paper are: econ
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
3
The categories of this paper are: physics
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph