Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Overview of charmonium decays and production from Non-Relativistic QCD   I briefly review Non-Relativistic QCD and related effective theories, and
discuss applications to heavy quarkonium decay, and production in
electron-positron colliders.

20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
28
The categories of this paper are: alg-geom
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th