Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: eta and eta' hadronic decays in U_L(3)xU_R(3) Chiral Perturbation Theory   The decays eta/eta' -> pi pi pi and eta' -> eta pi pi are studied up to
leading and next-to-leading order within the framework of U_L(3)xU_R(3) Chiral
Perturbation Theory. The analysis incorporates important features of the
eta-eta' system, such as the contribution of the glueball alphaG\~G due to the
axial anomaly and eta_0/eta_8 mixing. One-loop corrections, which are
third-order contributions according to the combined chiral and 1/Nc expansion,
are not included. Reasonably good results are obtained in most cases.

12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
21
The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics