Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Theoretical review of K physics   We review several aspects of K-Physics:
  i) Main targets of the field,
  ii) The theoretical framework for K-decays,
  iii) Standard analysis of the unitarity triangle,
  iv) epsilon'/epsilon,
  v) Rare and CP violating K-decays,
  vi) Comparision of the potentials of K --> pi nu nu-bar and CP-B asymmetries.
  vii) Some aspects of the physics beyond the Standard Model.

12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph