Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: From prompt to direct J/$\psi$ production: new insights on the
  $\chi_{c1}$ and $\chi_{c2}$ polarizations and feed-down contributions from a
  global-fit analysis of mid-rapidity LHC data
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
1
The categories of this paper are: cs
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
28
The categories of this paper are: alg-geom
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
8
The categories of this paper are: hep-ex
22
The categories of this paper are: chao-dyn