Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Neutron Electric Dipole Momento in Two-Higgs-Doublet Model   The effect of the "chromo-electric" dipole moment on the electric dipole
moment(EDM) of the neutron is studied in the two-Higgs-doublet model.
  The Weinberg's operator $O_{3g}=GG\t G$ and the operator $O_{qg}=\bar
q\sigma\t Gq$ are both investigated in the cases of $\tan\b\gg 1$, $\tan\b\ll
1$ and $\tan\b\simeq 1$.
  The neutron EDM is considerably reduced due to the destructive contribution
with two light Higgs scalars exchanges.

29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an