Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Interplay of quark and meson degrees of freedom in a near-threshold
  resonance: multi-channel case   We investigate the interplay of quark and meson degrees of freedom in a
physical state representing a near-threshold resonance for the case of multiple
continuum channels. The aim is to demonstrate the full complexity of
near-threshold phenomena. It turns out that those are especially rich, if both
quark and meson dynamics generate simultaneously weakly coupled near-threshold
poles in the S-matrix. We study the properties of this scenario in detail, such
as t-matrix and production amplitude zeros, as well as various effects of the
continuum channels interplay.

14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
33
The categories of this paper are: plasm-ph
28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys