Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-unitarity of CKM matrix from the vector singlet quark mixing and
  neutron electric dipole moment   In the standard model (SM) the lowest order contribution to the quark
electric dipole moment (EDM) occurs at the three loop level. We show that the
non-unitarity of the CKM matrix in models with an extended quark sector
typically gives rise to a quark EDM at the two loop level which has no GIM-like
suppression factors except the external quark mass. The induced neutron EDM is
of order 10^{-29} e cm and can be well within the reach of the next generation
of experiments if it is further enhanced by long distance physics as happens in
the SM.

28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
21
The categories of this paper are: adap-org
24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin