Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quark interchange effects in the KN interaction   We study the short range repulsion in the KN system due to quark-gluon
exchange. Phase shifts for spin-spin, color Coloumb and spin-orbit interactions
are presented.

17
The categories of this paper are: q-fin
27
The categories of this paper are: comp-gas
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
0
The categories of this paper are: hep-ph
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
3
The categories of this paper are: physics