Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quarkonium Polarization in Lepton Annihilation   We investigate the polarization properties of vector quarkonia in lepton
anti-lepton annihilation with special attention to effects due to intermediate
Z bosons.

36
The categories of this paper are: cmp-lg
6
The categories of this paper are: astro-ph
24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci