Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Explaining the Ds(2317)   The recently observed Ds(2317) meson is explained as a scalar c+anti-s system
which appears as a bound state pole, below threshold, in the DK scattering
amplitude. The standard c+anti-s charmed scalar D_{s0} is found at about 2.9
GeV, with a width of some 150 MeV.
  For the scattering length of DK in S wave we predict 5+-1 1/GeV.

28
The categories of this paper are: alg-geom
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
8
The categories of this paper are: hep-ex
23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat