Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Effects of QCD Vacuum and Stability of H Dihyperon   Within the composite quark model taking into account the interaction of
quarks in the bag with vacuum fields of QCD the masses of H (I=0,S=-2,J=0,1^C)
and H* (I=0,S=-2,J=1,1^C) dihyperons are estimated: M_H=2.16 GeV, M_H*=2.34
GeV. It is shown that the leading effect giving a stable with respect to strong
decays H dihyperon is the instanton interaction forming diquarks: q^2(J=0,C=3),
q^2(J=0,C=6). With the approach developed the contribution of QCD hyperfine
interaction is suppressed, and instanton induced three-particle forces in
multiquark hadrons (q^3(J=1/2,C=8) - channel) are rather small.

14
The categories of this paper are: math-ph
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int