Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Review of Bs Mixing: Past, Present and Future   We review the experimental status of Bs mixing. After a brief historical
overview, current studies of the time dependence of Bs oscillations are
described, with an emphasis on the different experimental techniques used by
the ALEPH, CDF, DELPHI, OPAL, and SLD Collaborations. To conclude, the outlook
for future experiments is presented.

16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
26
The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
3
The categories of this paper are: physics
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin