Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Precision tests of the SM and higher order effects: the example of the
  effective mixing angle   The radiative corrections involved in the precise determination of the
electroweak mixing angle measured at the Z-peak are reviewed in detail, with
particular emphasis on the new calculation of two-loop heavy top effects. This
example serves as a brief pedagogical introduction to the problems and
techniques of higher order electroweak calculations.

4
The categories of this paper are: cond-mat
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th