Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Analysis of the nonet scalar mesons as tetraquark states with new QCD
  sum rules   In this article, we take the scalar diquarks as point particles and describe
them as basic quantum fields, then introduce the SU(3) color gauge interaction
and new vacuum condensates to study the nonet scalar mesons as tetraquark
states with the QCD sum rules. Comparing with the conventional quark currents,
the diquark currents have the outstanding advantage to satisfy the two criteria
of the QCD sum rules more easily.

19
The categories of this paper are: eess
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg