Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Kaon femtoscopy in $\sqrt{s_{NN}}$=200 GeV central Au+Au collsions at
  STAR
23
The categories of this paper are: solv-int
2
The categories of this paper are: math
16
The categories of this paper are: stat
3
The categories of this paper are: physics
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
0
The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
18
The categories of this paper are: econ
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat