Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Charmed Mesons and Charmonia: Three-Meson Strong Couplings   Revisiting the strong couplings of three mesons, each of which involves at
least one charm quark, proves clear disaccord between quark-model and QCD
sum-rule results.

23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
24
The categories of this paper are: dg-ga
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
36
The categories of this paper are: cmp-lg