Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Glueball hunting in $e^+e^- \to J/\psi\to \phi f_0$   Building on recent work by Brodsky {\it et al.}, we advocate searching for
glueball degrees of freedom in $e^+e^- \to J/\psi\to \phi f_0$ at CLEO-c and
BES.

24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
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
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ